So here's one to chew on: I've got two machines with Tiger in my house (iMac and MBP), and one with Leopard (MB). They were bought at different times and are used by me, my wife, my kids, etc. I'd like to upgrade to SL when it comes out, but does that mean I'll need to buy one complete family pack (with the bundled stuff) at $229, PLUS the $29 upgrade for my MB? Or can I just get the family pack for all three? I'm fairly certain I just need the fam pack, but I'd like to hear any dissenting views.