I agree with gonk. The center channel carries the bulk of the data which is vital. You can purchase center speaker stands that are designed the way you describe. Personally, I don't find my center being a couple feet from the tv to be a performance hinderance.
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Outlaw 990/7500; QSC 2402; Sony dvd;
Dish vip 622; Panny 50PX75U; H/K 7200
Klipsch RF-7,RC-7,Cornwalls,Cornscala
HeresyII,Heresy; SVS 2039pc+; Sonic Super T