Remember, a good 17" LCD is equivalent in screen size to a 19" CRT monitor, while a 15" LCD is nearly equivalent to a 17" CRT.
EDIT: I just checked
www.newegg.com, and 17" LCDs start at about $330 (generic crummy ones.) So asking $400 for a entry level gaming-capable model from a brand name company...it's not a bad deal I think.
Bane