I'm going to enter into the regular food issue, as I think any French restaurant serves that. At least any I've been in. A lot of restaurants may have one dish on the menu that is brains or thymus or whatever, but all restaurants have choices.

So, I think any place would fit your criteria on that one, I really do.

As for the hotels, I'll be honest, I think you are being pretty picky about the bathroom issues for only 150 euro. I have never had a problem figuring out how to use a toilet in a French hotel (there are only a couple possibilities, and a button or thing to pull or whatever is going to be around the toilet). But, a lot of budget hotels are not going to have special places to lay things out near the sink, nor plenty of lighting. Also, a lot of hotels in that range may have room sizes compared to closets, but I think your bathroom issues are the difficult thing. So, you never know.

A lot of people like the Muguet in the 7th, and it would be in your range for sure (maybe 110-130 euro now for a queen bed double?). They had new bathrooms with nice fixtures that worked, and I think the lighting was pretty good. But there was not a lot of space, places to lay things out, etc. At least not in my room, but I had a very small double (which wasn't exactly a closet, but pretty small). So, I'm not really sure if that fits your wife's criteria or not.

I know that from my stay at the Odeon Hotel in St. Germain the bathroom is all creamy marble, good-sized countertop so that you can lay out your things, the bath itself has an overhead, adjustable showerhead over a nice bathtub and there is a shower curtain. The toilet is very simple to operate with a button to push on the top of the tank. I did not hear any plumbing noises from other rooms. However, in American hotels that's quite common to me. The lighting is excellent not only in the bathroom but in the room itself. They installed those light fixtures with the tiny, bright bulbs on the ceiling. There is a comfortable amount of space to walk around the bedroom although it is not large and you can hear hallway noises as the entrance door is near the bed. The bathroom is small but well-laid out so that there is enough room to move around comfortably. The only thing is that the room cost us 170 euro/night.

Just spent 8 night at the Hotel de Varenne in the 7th and it has Grohe fixtures, quiet toilet, good lighting, a shower curtain, and enough space around the sink to put some of our stuff. The standard double was 147E, altho that may be an off season rate. Check out the trip advisor reviews. Some recent posts here were also singing this hotel's praises.

1- hotels-
I have to say that I cannot remember when or if I ever heard plumbing noises in hotels that I have stayed in. I do remember in a fabulous hotel in Paris , hearing the floor boards squeak at night when the person upstairs walked around. But it did not bother me and I would never mention it, but it might drive someone else insane.
This sort of fine tuning in finding a room can be tortuous.
I won't recommend that hotel and it probably suits your needs, although it is too $ now that I look at your price range.

Look into the Hotel Danube on rue Jacob.
Nice, clean, cannot remember how the plumbing sounded but the bathtub was deep enough to sink into after a long day of walking and there was plenty of light.

Restaurants-
We don't eat red meat, but love eating in Paris- the simplest salad is great.
Since you are not looking for anything in particular, you can eat in most restaurants and find something that will please you..although ( no offense) you do sound a bit hard to please..
Sud on rue Grenelle is SW French food, pasta with lovely sauces and salads ..
on rue Amelie, Petit Nicoise..seafood, English menu, non - smoking room, you should like it there.
Hope this helps some...you really should look up some places and see if they sound like you would like them, then post back here with questions..there are soooo many hotels and restaurants in Paris and you have specific needs.
Good luck~

Bill - typically the Paris hotels in your price range have adequate but far from spacious bathrooms, and the lighting is OK but not fabulous. Be it a European penchant for energy efficiency, culture, style or a combination, you will find in most places wall mounted lamps on either side of or over the bed, a ceiling fixture, probably no lamp. In the bath will likely be a ceiling fixture or one over the mirror. If your wife needs make up type lighting, best bring along a lighted mirror or look for a chain (Marriott, Hilton, etc) but be prepared to shell out lots more unless you get a real deal.
In terms of food, you will have little problem, as even the places doling out organ meats and other delicacies usualy serve staples such as steak frites (steak with fries) and poulet roti (roast chicken) along with some great salads, probably some pasta dishes and maybe seafood.

Thanks to those that gave me specifics - they help a lot. Yes we are very picky and if I don't get the hotel right its curtains for me if you know what I mean!
These quirky needs are what keeps us from going to Europe lot- and the prices of course. With your help I think we can satisfy these quirks!