I have no experience with grinders. I too would like to get one someday but can't afford the high-end prices.
Here's that model on Amazon, with quite a few reviews:
http://www.amazon.com/Capresso-580-0...7702055&sr=8-1
Of 46 reviews, 11 are 2 star, 18 are 1 star, 5 star being best.