The best buy I went to didn't have a floor model out (they did have a vinyl one on display that I was really impressed with,
http://www.bestbuy.com/site/olspage.jsp...ctCategoryId=cat07002&id=1142302433375, but were out of stock) but I bought one anyway. Installation was simple and everything is proportioned right since I took care to center every thing while tightening the bolts.
Pros:
Cushioning is made of a a fairly high quality foam polyurethane, which should be durable and is comfortable.
Lumbar support for the back is very nice for my frame (only 5'10" tall)
Armrests are nicely adjustable
Wheels coast very nicely on carpet or floor.
Cons:
Seat cushion is on the small side. May not fit taller people since I do feel I almost spill out of it.
Armrests installed at the widest position still makes this chair fairly narrow. Wider folks may want to try out the chair to see if they can fit in it.
I usually sit at my desk bare foot so this is my main complaint of the chair. The plastic wheel base that you connect the rollerblade wheels to has some very sharp edges. Because the wheels are so tall, it really lifts the base up high and if you like to keep your feet near the base of the chair on occassion, you may scrape yourself a little. I'll probably take a file to the the chair over the weekend to fix this.
Overall, for $99.99, this chair has some nice points, and some bad points. It should be more durable than the $50 leather chairs I've gone through over the past couple of years based on the high quality cushioning, but the build quality of the base is lacking. Definitely try it out before you buy the chair.