My boss recommended Zinni, but he said to make sure you double-check all your measurements and prescription details before ordering.
>> http://www.zennioptical.com
Always search for a full review (several is better)
>> http://www.moneycrashers.com/zenni-optical-review/
Always look for coupons when purchasing an item online.
>> http://coupons.answers.com/zenni-optical-coupons
Always look for recent customer reviews.
>> http://itzmitz.blogspot.com/2012/02/zenni-optical.html
Then you can make an educated decision.