i think what he means by droopy is that it will sag, but ive had my xenon urethane front for a while now and it hasnt sagged abit. just make sure you mount it securely. i like my front way better than my fiberglass buddyclub rear, that thing is fragile, thats why i went w/ urethane for the front.
check out
http://www.importtrenz.com/ they said they have sme kits in urethane.
check my sig for my xenon front