EGhatched

Whats up guys, I'm gonna piece together a turbo. What turbo - Garrett or Turbotecnics is a better turbo. I have to run stock internals. If I buy a used turbo off ebay or whereever, how much does it usually cost to rebuild a turbo, if it even needs rebuilding. Who rebuilds turbos? Do any of you know good sights with good info on turboing sohc turds? thanks.