Prices are sometimes high and sometimes very good. Many interesting surplus boards and assemblies, excellent motor selection, rechargeable batteries, switches, optoelectronics, etc. Prices very good. Overpriced basic parts assortment. Some other stuff very well priced.
Prices are high unless large quantities are involved.
Unbelievably low prices on many items. This is the ultra-cheap accessories warehouse. Look for their ad in Computer Shopper magazine. It's loaded with books, software, and the wide assortment of building kits. They carry a variety of computer interface products as well.