It's times like this that i am glad i got my A1200! :-)
The A1200 i think is a very compatiable machine. I have had almost no trouble playing the old games. Before i got the PPC and HD i used to boot up the disk but also changed to OCS mode and clicked on "nocache" on the early startup menu. That basically solved most of the problems.
Now that i have an HD and PPC i mainly use JST and WHDLoad to play them good ole games. Not only do most of the games work, but you can now play them on Workbench (without quitting), instead of booting up the disks. Which, i'm sure many people will agree, makes life a lot easier and is what everybody wants. Of course, i can still boot up disks, as if the A1200 was stock, by holding the 2 key when booting up. The next thing i need to get is a sd/ff so i can view these on my monitor, not tv!
So as you can see the A1200 is a very good gaming machine. I get the best of both worlds. I play games ranging from Lemmings and Speedball 2, to Quake and Wipeout 2097! I can very much recommend on A1200 to anyone, even though a certain someone detests them! :-?
