Ok, so with MacWorld right around the corner and new PowerMacs coming along with a whole new chipset, when would be the best time to buy? I need one soon for a business I'm starting up, but I don't want to get hosed by getting something now and the new PMs coming soon after. So, my question is do I get one now, or wait? And if it is to wait - when are the new PMs expected (I've read 3rd quarter '06)? And the final question, with the new chipset, will the the upgrades available now work in the new system (RAM, hard drive, sound card, video card, etc)? Thanks for any feedback! wee!