We've discussed the 2.5" to 3.5" issue several times here (usually with me asking). This is the cleanest adaptor we've found. Built for the Velociraptor but supposedly good for any 2.5" drive, SATA or SSD.
http://www.maxupgrades.com/istore/i...&product_id=180&CFID=1065021&CFTOKEN=71791031