You have come to the right place to ask questions. You can do a search on here and usually find some good info. I am sure this has been discussed before.

Here is what I know (very limited) they were a good cat and built pretty tough. I think they were a little bit heavy but still pretty fun. I would imagine that many parts from other cats could be made to fit it but that will have to be tested.

Good luck, Have fun with it.