Before i scored this Tamiya id looked at the various chinese clones, and to be fair most are carbon copies of the Tamiya, but with a few parts tweaked to avoid being sued. The quality tends to be a bit less, detail not as fine etc, butas a base to work from, if you plan to slowly replace parts, theyre not too bad.
That particular one looks like it will need a lot of work. All the upper hull detail looks moulded on, so would need to be stripped right back. There are other cheap ones by Marui, Torro, Heng Long, Taigen, and Trumpeter/WSN that have better details and would need less work.
Check out
www.tankzone.co.uk for some ideas. Expensive from the UK but will give you an idea what to look for on ebay or elsewhere.