Found this today. Not sure what its all about yet as still exploring but looks interesting...
Find it at http://www.mechquest.com/default.asp
See what you think
MechQuest
It looks like a cheap and cheerful online roleplaying game. But even though it's free to get started you'll soon need to start buying upgrades to progress further into the game. I think it's aimed at kids who's parents don't want them playing WoW and D&D (see the 'Answers for Parents' section) although you could still spend a lot of time playing this and, personally, I already have a life!