Just in case anyone is thinking of buying the OSSC and been put off the idea by the audio sync problems I've been having with my YouTube videos I'd like to make one thing clear.
The audio from games and demos when played thru my TV is in perfect sync, the ONLY problem I have is when recording video using the Hauppauge Rocket - possibly another capture device might get round this but not having an unlimited budget means that option will have to wait.
I used a AVerMedia Live Gamer HD2 and had no problems with audio sync. Still looking for a decent capture card able to record 1600x1200 / line x5 mode though...
Thanks for the info @Poliander (http://www.cpcwiki.eu/forum/index.php?action=profile;u=203) :)