What hard/soft ware would you recommend to use for "torrenting" given the following?

Dell Pentium 4, 3.2 GHz, HP 512 RAM
Windows XP home Ed, SP2
DSL 1.5 Mps max (actual 1280 d/l - 330 u/l)
Azureus 2.4.0.2

I know this is subjective, but I would like to get inputs before I buy.
Thanks