Which 5870? XFX 5870 Reference VS. XFX 5870 V2 Non Reference?

OK... So I think I have changed my mind from Sapphire to the XFX version because of the double lifetime warranty.

Which one of these is better?

http://www.newegg.com/Product/Product.aspx?Item=N82E16814150476

http://www.newegg.com/Product/Produ...4150456&cm_re=xfx_5870-_-14-150-456-_-Product

Do i need to worry about not changing voltage for good overclocking on the non-reference PCB? I think the first one would be a lot quieter because of the larger fan. Anyone have either of these? Would be going into an Antec 902 Case...

Well, you're not without knowing that the non-reference cooler will dump most of the heat inside the case, and not the reference card.

Overclocking? If so, voltage tweaking support is quite important to achieve sweet clocks.

Cheers!

OK... BUT what about quietness?
Heat inside case? Pffffft! I just got an Antec 902!!! It is like a wind tunnel!!

Do the 5870 run COOL enough to warrant additional voltage bumps w/o frying the sucker?

I have two of the non reference XFX 5870s and they're cool and quiet in comparison to a reference design. You cannot change the voltage on them, however, without a volt mod.

At 50% fan speed, running Furmark Xtreme Burning, they never go over 60c