Thanks for any unquoted nice comments

Yesss! I played the homebrew DS version way back when. Instabuy.

Would it be possible to port Pushover, or would that require too much hassle either with XNA or to track down the original IP owners?

I won't be doing Pushover because of the IP stuff and also just the moral issues in making money off someone else's game. I have many other games I want to make, and also might whore out Johnny Platform for a sequel yet.
Hey, I've been thinking of looking into C# and XNA some day. You know any good learning resources for this?
I started by going through the beginner's tutorials on the Creator's Club site:
http://creators.xna.com/en-GB/education/gettingstartedThey're a bit slow, clearly aimed at ABSOLUTE beginners ("hold CTRL and click on each file to select them all!!!") but they do tell you how to get some 2D, 3D, sound and input going so they're useful. Other than that MSDN has pretty thorough documentation for C# and XNA, and Creators Club has a lot of downloadable examples.
Reminds me of Ruff N Tumble with the ladders and shooting and stuff, which is definitely a good thing.