I have used:
zipzoomfly.com <table border="1"><tbody><tr><td class="stxt">FedEx 5-7 Day Delivery</td> <td class="stxt" align="center">$0.00</td> </tr> <tr> <td class="stxt">FedEx 2 Day Delivery</td> <td class="stxt" align="center">$1.99</td></tr></tbody></table>(No tax outside CA)
newegg.com
(Free 3-day shipping UPS)
amazon.com
(free 2 day shipping for Amazon Prime)
In the past. I used pricegrabber.com to compare the prices. Just enter your zip code to calculate the final price after shipping and/or tax.