He could always use the stock cooler as he won't be overclocking? Is that easier to fit?
And what would you sacrifice, for an ssd?
Get the MSI 7950, Black PCB and potentially less coil whine if the HIS I have here is anything to go by.
If you haven't already ordered, you can save £10 by going for the 650w PSU rather than the 850w. You don't need the 850w for a single GPU and with the motherboard you've chosen going fire in the future isn't really an option as it's suited to a single card.