Great drive! The 146GB version is just a bit more if you need the space.
Newegg had the 146GB MBA's for $119 about five weeks ago! I should've ordered some as that's a killer deal!
Those are good for a desktop system. Not much louder than a desktop IDE drive and so much faster. I have a Dell precision workstation with three 146's and a 300 and it's practically silent. If you do something disk intensive you can hear them clicking like a typewriter but it's not annoying at all.