My local mom & pop parts store has Gabriels, and carried the front shocks in stock a few years back. It was about $30 for both. The rears for my 3/4 ton were from the Gabriel classic line and were about $35 each. I've put over 20,000 miles on them, and they're still working good.
www.gabriel.com catalog shows 81270 front and 82066 rear.