Hey, don't know if you are interested, but since I'm looking at going clipless I was following your thread and looked to see if my LBS's carried those models. During my search I found the M520's at a really great price

http://www.lickbike.com/productpage.aspx?PART_NUM_SUB='0763-04'

Even with shipping they are -$5-10 less than I can get them here in my town...