Unlocking My iPhone

So I am unlocking my iPhone. I’ve ordered the $99 iPhoneSimFree software from Wireless Imports and now I have to activate and jailbreak before I can run the unlock software.

I want to activate with a prepaid plan. I’ve read that the best way to do that is activate via iTunes and then type in 999-99-9999 when asked for a SS#, and that will fail the credit check and lead to a prepaid option.

I’ve got two questions.

1 – should I activate on the machine I ultimately want to sync music and photos and other stuff with (which is my daughter’s computer since she is going to get the iPhone when I am done unlocking it) or can I use any version of iTunes to unlock?

2 – does the above method for getting a prepaid activation still work and is is the best way to do that?

Thanks everyone. I’ll let you know how it goes. I hope to have an unlicked iPhone in the next couple days.