text: 160GB is fine - you don't need any more than that for your main OS/Apps drive - you can add another HDD later for pure storage anyway. The express VIsta upgrade is good because you will still have XPMCE as the core OS and most OEM's will actually be shipping a standalone upgrade copy of Vista which you will be able to do a clean install with -- you'll just have to enter the MCE key when prompted on the clean install. Also, by the time it actually comes out (late Jan early Feb) you could reciever your Vista copy and then wait about 4-6 months to actually install it and slipstream the first service pack (of there is one by then) into Vista.