I'm going to resist the urge to buy another PS3 until after the first major hardware update, assuming it's a 45nm process based system with an external PSU like a PS3 Slim.
That probably won't be for another two years at the least, although sooner would be nice as the only thing I don't like about the PS3, is the amount of energy it uses. As much as I like the hardware, it is very environmentally unfriendly, unless you're also using it as a space heater in the winter.
The MGS4 bundle is a great deal for anyone who was holding back for this game, but unfortunately, I already bought the first 60GB PS3 I could find on shelves back on the first week of Jan 07. It's been worth every penny.
I already bought a DS3 controller and a copy of the LE version.