I agree the site sometimes does slow down, it feels like I'm using dial-up. It's clearly a bandwidth issue with the server, not being able to keep up with traffic.
With that said, I'm using the free version, and other than the slowness every now and then, fitday.com is fantastic!
I'm on crazy plan to lose weight
April 01, 2013 = 343 lbs.
May 01, 2013 = 313 lbs.
June 01, 2013 = 290 lbs.
July 01, 2013 = 273 lbs.