Red is always a classic. The significant question with red is what color influences it. Chinese red--which is highly popular today--is a rich red-orange combination. Watch for Venetian red--a red with blue influence--to emerge.
We're seeing a definite trend toward fashion in carpet. Textures, different types of yarn systems, different colorations, patterns, tone-on-tone prints, looped carpet, tip shears anything that has interest or fashion seems to be very accepted.