First and formost That looks fukkin ace!!!
Second are you in a club? if not check out
www.fordsport.org.uk and get signed up, cuz it needs to be at shows...
Third, Roll cage, yes, Lee at Fusion fabrication will make you one mate, he did one for a mate of mine witha FRS and it looked the bollox. he is a trader on here, so you could try PMing him , although I aint seen him posting much so your best bet is to check his website as i think he has contact details on it
www.fusionfabrication.com
And fourth' oh I already mentioned fordsport