Hi attic
like the others I can only recommend the mediator. I have used the original 1200 version and the 4000Di version and they are very good products imo.
I havent tried it out, but I think I have read somewehre that if you have a tv card in your mediator, you can connect the aga output to the tv cards input port and display it in a wb window. I doubt this will work with non system friendly games/applications though.