I am building up a new rig with msi neo2 platinum mobo, athlon 64 3000+, 512 pc3200 ram, 200 seagate hd, GeForce 6800 and am planning to get the TT Tsunami case. Should i get the one that includes the psu (400W from thermaltake) or buy the one without the psu and get an antec 430W truepower...