They appear cheaper
Local pickup will often beat a better price but New Egg was 25% cheaper on the collection of parts I recently obtained from Scroptec. MSY tends to be a slightly cheaper that Scorptec but with a more volatile range of more bleeding edge parts which make using them for "standard builds" more difficult. Scorptec also offers companies 30 day terms which increase the connivence factor. With both of them having major warehouses walking distance away from my office, I don't see Newegg taking much of our business.