Exactly. Computer equipment makes the list of things that go in your car, not the moving van.
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Yeah, or at least all the expensive nd fragile bits ....
I wouldn't get the 7950GX2 at all: it's poorly made (just two 7900s sandwiched together, with a hole cut out of one to allow air to circulate into to crappy stock fan of the other).
I'd go for the 7900, because it has the new tech (including compatibility with the 20% speed boost with the latest, just released nVidia PCI-E chips (5? using the special GPU RAM)) and smaller die / card (not double-sized, like the 7800GTX512).