There's another Diadora model for toe clips still available on Nashbar. I don't know anything about them, but ...
"Diadora Ergo Road Shoe"
Reg $129.99 Now $49.99 61% Off!
http://www.nashbar.com/profile.cfm?c...Fresults%2Ecfm
Not quite the same kind of shoe (different color, different sole types, and the Ergos have an actual cleat).