i was browsing in their site and i noticed they made this, scroll down and you'll see the compressor wheel:

http://www.turboneticsinc.com/new_product.html

i know that i have a t3/t4b original from the StarKit, but does this upgrade apply to mine?

you could have that wheel put in remember you need to balance when swapping wheels

id look into the new GT seris garret wheels..

You can have it cheap, fast or good. Pick any two.

If you want it cheap and fast, it's not going to be good.
If you want it cheap and good, it's not going to be fast.
If you want it good and fast, it's not going to be cheap.

where do i go to view those?

search for garret gt wheels or call turbonetics, pte precision turbo performance turbo, majestic, MJM any of the big turbo manufacturers will have these wheels.

You can have it cheap, fast or good. Pick any two.

If you want it cheap and fast, it's not going to be good.
If you want it cheap and good, it's not going to be fast.
If you want it good and fast, it's not going to be cheap.