You'll really want an Intel-based Mac, to enjoy what Leopard has to offer. Granted, even the Intel-based Mac Minis can't handle some of the more graphic-intensive operations, such as video effects in iChat.
I think the new minis will, though, won't they? The C2D? I guess I'll find out soon. I've got Leopard on my new 2.8 iMac. I love it. Great OS. Very stable.
Safari still won't properly display Gleemax blog tools. Firefox works for that, though.
