Hello everybody!!!

I'm from Brazil and i'm glad to become part of this comunity.
Well, i really love eletronic rock (nin, new order, Manson, Orgy...etc) and i used to have a band, but now i'm on my own and i've been wanting to start on computer music, record a demo cd of my songs and form a band then, i'd like to know what do i need to begin???
(i've been think about bying an Akai Sampler, what do you think about that, and there's too many differences between S3000 and S5000??)

Thanks
and sorry for my poor english