You can also try to watch some ebay bids. It's not a bad idea to get another identical one as spare parts supply if you can get it very cheap. For example this one:
http://cgi.ebay.com/ws/eBayISAPI.dll...=STRK:MEWAX:IT

AEO is right! you want to share some shots with us. There seems 2 type of frame. Maybe this will affect the rack's design in slightly different way.