@gwennelsonuk Interesting, Re PS3
Regarding PS2, no there aren't any decent opensource modchips available I don't think. However, many people avoid the need for a modchip nowadays by running something like freemcboot from a pre-loaded memory card.
I installed a modchip in that PS2 I gave you, because i'm oldschool. I could have just as easily sent you a freemcboot memory card with OPL and you'd probably be happy