Here is a few online guitar competitions worth entering.

Epiphone are giving you the chance to win a Zakk Wylde Les Paul featuring Zakk’s Bullseye Graphic, EMG pickups, case, and Zakk’s signature on the back. Enter before February 28, 2005 at http://www.epiphone.com/contest.asp

Secondly, Native Instruments is giving away an IBANEZ guitar worth over 2200 US-Dollars. All you have to do is send them a photo of you rockin’ it with your guitar in some far-out location or amusing pose. Then just upload a digital version of the photo to the Native Instruments website by March 15, 2005.
Entry details and rules at http://www.native-instruments.com/guitarwinners.info

Lastly, TheCelebrityCafe.com have a Gibson-Epiphone Les Paul Junior Special in Ebony Finish from Anubis Spire up for grabs. The winner will be chosen randomly and you can enter once every day. US residents only and entries close 15 May, 2005.

Entry details and rules at http://www.thecelebritycafe.com/contests/anubis.html