newegg isn't generally the cheapest, they can provide the best value, by way of having such a wide selection, but pricetag for pricetag on mainstream items like say, a 7 series graphics card, newegg is usually acouple dollars more.
newegg has good prices and once in a while you can catch a really good break on parts when theyre on sale
they also have really fast shipping too.....
zipzoomfly has free shipping but the cost of shipping is most likely incorporated into the price because most of the time theyre a couple bucks more than newegg...sometimes
I personally use ZZF because Newegg charges tax in NJ. D*** their warehouse here. On heavier items like cases, ZZF really comes in handy if they carry the item due to the free shipping.
On a sidenote, what is up with EVERYTHING on ZZF being out-of-stock??