Probably you could use this workaround: http://www.dnnsoft.com/Service/Forum/tabid/75/forumid/2/threadid/3369/scope/posts/Default.aspx
To hide the price labels change perform the following code changes in the skin of module CAT_ItemPaneNF:
<
change to:
<asp:panel Runat="server" id="pnlgridprice">