it works when I use t:selectItems:)).Is it this issue a bug??
Apparently extended EL can work oddly inside iterative components : http://www.jboss.com/index.html?module=bb&op=viewtopic&t=115162
You could always build a Bean to hold all of this when you populate productPropertyList.
If you can produce a simple test case based on a seam-gen app from CVS I can take a look.