I can lend a hand on the environments, but I am working on another project at the moment (Scion). This should be a simple game, to work on, with not a lot of detail as you said. Just PM me if I am needed.
Windows 7/ 2.8Ghz Quad Core i7/8 Gigs DDR2ram/ 2 Crossfired ATI 6850's and one crazy Level Designer! On the "Scion" dev team!!