Welp, first "update" from Digital Foundry:
Update 1:
Leadbetter says not to get your hopes up regarding SATA III due to the "copying bandwidth" being really low. If SATA II is getting hobbled like that (20 mb/sec), then he would expect SATA III to be hobbled as well.
http://www.neogaf.com/forum/showpost.php?p=222921571&postcount=803








