After doing more research (with better keywords) I found this.
http://groups.google.com/group/cake-php/browse_thread/thread/76970975b47c5dec/9f7823963887ef9b?lnk=gst&q=FormHelper+Fieldset#9f7823963887ef9b
I'll add my extends to the formhelper copied via the core into app.
On Mar 18, 3:10 pm, rg
Hey all I have a couple of questions about the FormHelper.
In the process of doing a good SEO sweep of my own site, I ran a check
through this site http://try.electrumsolutions.com/demo/addscan.aspx.
A potential client uses it so I plopped my site in to see how I
stacked up. Grrgot some work