Nemulator v4.2 is released. Nemulator is win32 NES emulator.nemulator 2.0 uses DirectX 10, therefore Windows Vista or Windows 7 is required. If you receive an error message stating that d3dx10_33.dll is missing, please download the latest DirectX 10 update from Microsoft at microsoft.com. You need a lot of horsepower (probably a dual-CPU/core system) to run the menu at full speed.

nemulator v4.2 Changelog:
* Sega Game Gear emulation
* NES: Fixed Aladdin (SuperGame) hang when starting game
* NES: Added Mapper 190 (Magic Kid GooGoo) support

Download: Nemulator v4.2
Source: Here