I have used abtc. It is spotty at best. I bought AndTorrent from the market, its highly reliable.
Sent from my SCH-I800 using XDA App
My History with XDA:
Current: Verizon Samsung Galaxy Nexus
Current: Nexus 7 8GB
Current: Samsung Galaxy Tab Gen1
ASUS Transformer - Never hardly used it.
HTC Incredible #2 Ran CM7 till I sold it.
HTC Incredible #1 (Broke lense, fixed, then bricked it)
HTC Dream #3 (sold)
HTC Dream #2 (bricked)
HTC Dream #1 (RIP bottom of lake),
HTC Prophet MDA-Vario