I usually compare the prices at the local stores you guys listed, with online dealers. Another local membership store I shop at & compare online prices with is: Costco.
I've had good purchasing experiences with the below online dealers.Listed in order of my personal satisfaction with both price and service:

Instead of burning gas in the car, I prefer letting my fingers do the walking on my PC keyboard. cool

http://www.amazon.com/
http://www.newegg.com/
http://www.bhphotovideo.com/
http://www.thenerds.net/
http://www.mwave.com/

Donny, good luck. smile