Declawed cats need home too.
I in no way advocate declawing, but I feel very strongly about adopting declawed cats.
We went to a shelter to look at one particular cat one day. She turned out to be quite mean... and we were disappointed. While looking around just to see the other cats, we found Sassy - 8 pounds of 8 year old Persian-mix long hair fluff - and she had no claws - front or back. She let us hold her, and hug her, and we took her home that day!
Unfortunately, Sassy eventually had behavioral issues that we were unable to resolve - including terrorizing another cat, and eventually, attacking us. She never, however, had any litterbox problems - though she loved to dig. She was very happily and successfully rehomed to a place where she was a single cat.
Our current cats are both declawed on the front paws - we adopted them that way - PJ at ~9 years old, Teddy at 7 years old (PJ is now around 13ish, Teddy is 9). They are the most fantastic cats ever! PJ is amazing - has no problems of any kind - and it hurts just as much when she kneads me without any claws. Teddy has problems unrelated to his declawing (IBS), and has an occasional litterbox problem related to that.
It pains me to see that there are at least 100 declawed cats in my local area just waiting for homes. Yes, they can come with a host of problems, but sometimes, it just takes listening to your cat to figure out how to help them. Teddy couldn't stand the litter that we had used for PJ when we adopted him - so we finally got him something he liked, and all of his initial litterbox problems stopped. Both cats still paw at stuff like they're scratching - PJ goes after the carpet, Teddy goes after one side of a particular chair - and I bet with enough time, both of them will put quite a bit of wear in those two places. They are both cuddly lap cats who have never met a stranger.
I love my declawed babies and wouldn't trade them for anything (note: PJ is watching as I type this. She must know I'm taking about her!). If you adopt a declawed cat that presents with problems, PLEASE be patient and try some things before giving up (the same goes for an intact cat). The declawed cats didn't ask to have their claws removed, and from my experience with my and other declawed cats, many can be just the sweetest things ever. They get a bad rap a lot of the time and need to be given a real chance.
Also, if you're interested in a declawed cat, I have found that older ones - many of whom were declawed early on - are more well-adjusted. Then again, I love older cats, so I might just be biased.
Remember... the cat chooses you... if one with claws wants you, use all the alternative strategies - don't declaw!