The warranties on both units are long 7 and 10 yrs. and extend beyond technologies.
Looking at the buyer reviews over at Newegg and Jonnyguru.com and the price differential ($259 and $309), I'd probably go with EVGA ($349/10yrs). Early on Corsair ($309/7yrs) seemed bullet proof but as time has gone by, it seems like their QC has declined.
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=389
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=300
Let us know which you choose and how it turns out.
VAPCMD
CORSAIR AX1200i VS EVGA 1200W
Which one would you buy for your gaming computer?
http://www.newegg.com/Product/Product.aspx?Item=N82E16817438029&cm_re=EVGA_1200-_-17-438-029-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139039&cm_re=ax1200i-_-17-139-039-_-Product

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