CocoaMSX v1.3rc is released. CocoaMSX is an open source MSX emulator for OS X.

Features:
Based on blueMSX, one of the most accurate MSX emulators currently available
Built-in support for 3 virtual systems, automatic download and installation of over 200 MSX systems
Built-in support for cartridge (ROM) files, optional support for diskette (DSK) and cassette (CAS) files
Support for pasting text directly into MSX
Support for MSX-Music, MSX-Audio, Moonsound, SCC and PSG sound systems
Various video effects, such as scanlines and signal noise simulation
Snapshots with Finder previews
Support for MSX joysticks, joypads and mice
Flexible keyboard and input peripheral configuration
Screen capture
Audio capture
Gameplay capture
MSX Mouse support
Mixing for all six sound channels (PSG, SCC, MSX-Music, MSX-Audio, Moonsound, Keyboard)
Full screen support, including enhanced full screen on Lion and higher
Automatic updates

CocoaMSX v1.3rc Changelog:
* Mac gamepad support - connect one or two controllers to use them as joystick 1 and 2
* Support for compressed system ROM sets - newly installed systems will be downloaded and installed without decompression
* Improved error handling for downloadable systems
* Bug fixes



Download: CocoaMSX v1.3rc
Source: Here