garret T28 or disco potato on my ka which one?

[rb26iwish]

i have a 93 240 i had another posting about a t25 and i am gonna upgrade to a t28 or the disco potato i don't wanna go to crazy yet because am savin up for a sr20. but if you were me which would you do ? i heard of t3 but saving that for the sr so let me know guys thanks!

also i have a huge system trying to sell it 2 kicker kw amps about 2200w togethor with bass control units(2) and the 3 10" lightning audio subs 800w each thick magnets not the cheap walmart stuff and also comes with rockard fosgate capasitor $600 this is a very good price one amp costs about 300 alone. came out of my old 91 hatch shattered glass twice!