When looking at the ta05, if you are going to buy a new one get a TA05 v2 it has IFS and the suspension layout from the TRF416.
this is the ta05v2 kit
http://cgi.ebay.co.uk/Tamiya-58435-T...ht_2404wt_1165
here is a original non ifs tamiya ta05 (like vinces)
http://cgi.ebay.co.uk/Tamiya-58358-T...#ht_2565wt_911