You can download sixtyforce, play Super Mario (or any number of games) through to the end, and never pay any shareware fee. Sure, you can't use your game controller or play in fullscreen, but if you really enjoy using it shouldn't you support it?
Should software be free? I don't know. Personally I think
food and medicine should be free, but maybe that's just me. =)
Anyway, I am working on speed and compatibility, but I've found they sometimes get in each other's way

I expect to have a new release
very soon to fix some minor bugs in 0.8.0, but I'm not sure what else will make it in...
- Gerrit