Yeah, the A1200 option crossed my mind, but was concerned about its width. You'd surely have to keep the power supply outside the case. Unless you got real creative with that even. lol Do you have any pics of your project Astral?
And your keyboard adapter... I assume that's an A600 to PS2? Sounds interesting, but I've never seen an RJ45 phone type plug-in for an A1000 to fit PS2.