I'm with you there. Also think it'll look better in red or blue, but what always influences my decision is the CLEAN factor.
Had a deep blue rustler (Mazda), a maroon Primera and a silver Fiesta MK5. Now have a silver Fiesta MK6, and the silvers are the first colours (except for white), which actually stay clean for a reasonable period.
Colours are nice, but drive around in mist once and all your elbow grease turns to oil... Think I'll stay with a silver or white derivative myself.