Well if you want and/or need the bigger overclocking potential and speed go ahead... but it is a waste of money IMHO.
I think they also make XP2200+ with T0bredB core but they should be somehwat harder to get with all the T-bredA's around. So the safest and cheapest is to get a T-bredB XP2000+
My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on 😱