Thanks for the input, Lisa. I'm still hesitant to give up my '03 Klein dualie 26'er, although my DH made the switch last year to a Trek 29er, which he loves and says I should get one for the reasons you cited (rolling over everything that I'd normally walk). I'm taller, 5'8", but my Klein is a medium that fits me like a glove and I'm very much at home on it (even tho' I walk some things - mainly due to my own cowardice and the fact that I just don't ride it much). I rode my DH's size L Trek for about 10 minutes on one trail, and I felt like I was a mile up in the air. I felt very top heavy and not as "planted" as I felt on my 26'er. Did you ever get that feeling? DH said it goes away after about 15 minutes of riding and playing around on it (and likely better if I were on a bike more my size).