I have ST on an iPhone. The switch was painless.
You can port your number to ST. I have had no problems.
On GV, you select your phone under options. It allows all calls to be routed to the phone, so it appears as though the call is coming straight to you. The same thing with texts.
The only...
You are where I was 2 years ago.
We had 3 lines, and paid almost $200 and NOTHING but text was unlimited.
With cookie cutter prepaid, you get crappy handsets.
I'm now with StraightTalk.
Buy a sim from straighttalksim.com
$45 a month for unlimited everything.
Data is capped at 3gb.
I...
I have a HTC One X for AT&T
Condition............: Perfect 10/10
Body..................: Perfect 10/10
Screen...............: Mint, No Scratches of any kind
Buttons..............: All Works well
Trade.................: iPhone 4S
Carrier Unlocked...: No
INCLUDES...
I just spent a week with the Galaxy S 2 AT&T model. I loaded a ICS rom to it.
Probably the best phone I have used (and I typically have a different phone every week).