Guitar Center is a retailer most musicians are familiar with since so many of its stores are dispersed throughout the country, and because its name has been around since the late 1960s.  Its hacker-safe website is very well organized and easy to navigate. You shouldn't have to click more than three times to find any microphone product. Another key to the success of the site is that it is backed up with very strong customer service. The people who work there take it very seriously; they are passionate about music and instruments and have a lot of experience with the products on their website. Their shipping is also very good and everything arrives well packed. If you are looking for a discounted microphone, you will most likely find it here. Almost everything is on sale, or discounted, and in stock. They have free shipping for most orders over $49.  Among their 600-and some odd microphone options, you'll find brands like M-Audio, MXL, Shure, Sennheiser, AKG, Audio Technica, Nady, Neumann, Audix, and more.