There are plugins around, but most are designed for Maya 5 and have limited access to source code to recomplie.
Try ID Software
as they use MD2/3 for Quake and Doom. I also have an ebook on Quake 4 Modding if that is what you are interested in.
Chris (formerly R@nSiD)
When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)