Don't go for cheapest, you'll likely get a grey-market item with missing accessories and a terrible return policy.
B&H Photo-Video is typically the most affordable online retailer of those to be trusted, and their customer service is of the utmost.
They've been serving this pro for some ten years without a complaint.
Adorama, Samys Camera and Calumet are [...]

i want to take pictures one after another but sometimes my camera gives me a busy signal and i have to wait a while. it is very annoying. i have a 4gb memory card. can someone please help?
You have to slow down your shooting. Take a few seconds between shots and give your cameras [...]