Turbine has announced on the Dungeons and Dragons Online official site that they will be holding a DDO Guide Contest, where the writer of the best guide could win a small pile of D&D merchandise.

Start your typewriters err...word processors! Are you a wiz at Dungeons and Dragons Online™ (DDO)? Do you know everything there is to know about the game? Why not share your knowledge and possibly score some big-time loot? We are accepting submissions for the first Player to Player Contest! We're looking for the BEST user written Game Guides, as judged by the community and the DDO Devs! If your guide has got what it takes, you could win one of three great Dungeons and Dragons™ prize packs and your guide could be published in the online DDO Compendium!
Guides will be judged in the following categories:

Most used/usefulness (Community voting)
Dev judging in these categories:
Accuracy
Completeness
Readability/Grammar/Spelling
Degree of Demand (including how many other guides already exist on the same topic)
Ease of understanding