Amazon has the Diamondback 2013 Insight 1 Performance Hybrid Bike for $340 with free shipping. Available in small (15") to XXL (23") sizes. Features Shimano crankset with integrated chainguard, Shimano Altus rear derailleur and seven-speed EF-50 shifters with double wall alloy rims. This bike is $450 and up everywhere else.
It this price, I'd expect some suspension components like a front forks shock/seat post shock...