I jacked mine up also and grabbed the top and bottom of the tires and wiggled them also and they felt tight. But underneath they were toast. My rears felt tight also but look at my dog bones when I removed them.
http://static.photobucket.com/player...no1970/yyy.mp4
Of course I have 100 pics of the entire suspension poly rebuild but I wont bore anybody with all that. Just figured Id throw out a few suggestions.