I'd suggest checking out Pricegrabber.com. Do a search for the item you wish to purchase. Chances are that both Adorama and B&H - and their prices, shipping charges and customer reviews will be listed. This will give you an opportunity to compare the two. I've purchased from both, but I use B&H more often because of their thorough, well laid out website. In purchasing online, the first consideration always must be peace of mind. If you can place a dollar value on that, compare it to the cost savings offered by Adorama. If you remain concerned, go with B&H. It has one of the best reps online. As a sentry once told Indiana Jones, "Choose wisely!"
In Life, as in Photography, things look much brighter, once you remove the lens cap
Nikon D70 w/18-70mm | Sigma 70-300mm Macro II | SB800 | SC29 Cord | ML-L3 Remote | Canon iP5000/i9900 Printers | Feisol CM1401 cf Mo'pod/Manfrotto 3229 Head