homebrew and all that. Also the security has been cracked wide open and the modding is easy to do. But (unless you can advise me better) there
Cheapest way to get HDMI output from a PS2 with an actual good handle on interlacing through a modern display - with the chance to utilise some scaling gubbins - would be aGBS Control. It's - I think - a bit of kit usually used in arcade cabinets that had a new bit of firmware wri...