I can't wait for it either, mainly 'cause I don't own a Cube so I haven't been introduced formally to the next-gen 3D Sonics. With Sonic finally coming to the Box and PS2 I'll finally get that chance. I still play the original Sonics on my Mega-Drive II (Genesis) and love the Sonic Advance's on the GBA.
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http://www.sonic-cult.org/index2.php for the latest news and vids concerning Sonic Heroes and Sonic in general.