I present you the project I'm working on for quite some time: the P8X Game System, a dual-propeller based game console. It is a combination of an hardware platform and an open source integrated development environment based on propellergcc aimed at developing retro-style games.
The libraries currently supports a number of video modes, including PAL, NTSC and VGA at various resolutions, up to 320x240 pixels, with 4 or 16 colors per pixel, RGB+sync only.
I'm attaching some images of the console prototype, schematics and IDE screenshot, so you can have a taste of what it is already done.
I have also setup a web site with more details, source code and downloads:
I would appreciate comments and suggestions.