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They apparently have a tendency to explode under load, mine was fine though.

it'll be fine mate..would a single 4870 work ok with a Hiper Type-M SLI/Crossfire Ready 580 Watt PSU ?
the cards come with the cables...not sure but i have a corsair 620 and only has 2 x 6 pin and think you need a 8 and 6 pin for the newer cards?
You didn't have it long though
Apparently the old ones were extremley unreliable, the new ones seem to be fine and ive not heard any different on these forums, probably as a majority won't touch a Hiper even if they are ok now.