I still race a XXCR and had this discussion with a mate last night. For it's age I would say yes, for it handling and being a good car I'd say no.
You'll struggle to get gear covers and wing clips, the only way we have is by buying complete cars and then making a good car etc.
Hence why we've got 9 cars in the garage and enough spares for another two.
We started making a XX shelf queen last night. Will be getting my XXCR ready for the new summer season shortly
I'm also tempted to build a XX brushed set-up with hydra drive etc.
If you look at my photos under my profile you'll see my race XXCR