BizHawk v1.8.1 is released. BizHawk is a A multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.

BizHawk Supported Systems
- Nintendo Entertainment System (NES)
- Sega Master System
- SG-1000
- Game Gear
- PC-Engine (TurboGrafx-16) / CD-ROM
- SuperGrafx
- TI-83 Calculator

BizHawk Experimental
- Sega Genesis (low compatibility list)
- Gameboy (Debugger only)

BizHawk v1.8.1 Changelog:
EmuHawk
Corrected a bug relating to missing firmware and null emulator
Open ROM now allows you to select .GBA files
Changed Muppen Style Lag to Non-VI Lag Frames
GBAHawk
BIOS can be skipped for movie recording. BIOS is still required to play games.

Download: BizHawk v1.8.1
Source:Here