wanted: High Resolution C= Logo (suitable for printing)

[Etho]

Have a look here:

Brands of the world

There's a few variants in Illustrator and EPS format. The third file appears to be a pretty good quality EPS which scales up pretty well, but I haven't had a proper look.

EDIT

I've just had a look at that third EPS file in work. Scaled it up to 26" x 26"  and proofed out on a Designjet 1055CM ( printed @ 400 DPI), and it looks bloody good.