Cheevos!
If you enjoy emulator-based retrogaming, and you enjoy earning persistent and externally-visible achievements for accomplishing in-game goals, then take a look at:
I'm there as http://retroachievements.org/User/ElectricKeet but I only just started really using the site a week ago or so. The nice thing is that you can use emulation save-states to help and still earn the cheevos... but you can set the emulator to "hardcore mode" which just means playing like on a console, no tricks.