While i havent bought anything from them, I am quite sure they are a reputable company. Stacy could most probably vouch for that.
I placed an order and I got it within a week by registered mail. I ordered two bundles of wire, their deal on capacitors, resistors and leds, bamboo tweezers and two circuit boards. I didn't measure the box it came in but it was probably a 5 inch box and the wires felt like those wires you get from headphones you can buy at the dollar store. The wires are convienient but I think Brad's idea of using heavier guage wire is probably a better idea. The components are small so I'm not sure I'm getting my money's worth. The only other breadboard wires I bought were from a distributor (Smartboards) from Elenco and they are heavier guage wires at different and smaller lengths.
I'm ready to start doing Brad's tutorials now when I get a chance :)