Do they accept Shimano cleats? Are they any good? In particular, I was looking at this model
http://cgi.ebay.com/Ritchey-Logic-WCS-V4-Titanium-MTB-Pedal-w-Cleat-NEW-/220578874306?pt=Cycling_Parts_Accessories&hash=item335b8683c2#ht_2263wt_996
http://cgi.ebay.com/Ritchey-Logic-WCS-V4-Titanium-MTB-Pedal-w-Cleat-NEW-/220578874306?pt=Cycling_Parts_Accessories&hash=item335b8683c2#ht_2263wt_996