NOW the only problem is... how will it perform? Will it be future proof? If so then for how long?
Really good for a laptop GPU
/ No / for as long as you're happy with the performanceReview AMD Radeon HD 6970M Graphics CardAMD Radeon HD 6970M Crossfire benchmarksAMD Radeon HD 6970M review
The only real competition would be from a microATX or mini-ITX build with desktop parts.
Of course you'd need to lug a monitor, keyboard & accessories and be able to find an AC outlet.