Hi Kuru, I had a Beecaster for a while when I worked at the magazine, a loaner from NEAT that stayed with the company when I left. My experience with it is a bit dated, but I think it does offer a direct monitor blend to give you what you need.
I would also recommend the LEWITT DGT 650
, which is the best USB mic I've ever used. Sounds great and has a ton of cool features. I haven't used the DGT 450, its smaller and more affordable sibling, but a look at the specs indicates fewer fancy features but probably very little in the way of noticeably poorer sound.
I have no idea what a USB Audio cable is. In the case of some mics, it's a proprietary cable that hooks to the mic using a sturdier multipin connector; that allows you to swap out cables easily for connection to various kinds of computers. The DGT 650 has a breakout box that uses one of these. But for standard data, about the only thing an "audio" data cable should have vs. any other kind is a ferrite choke (that cylindrical lump near one end or the other) to help minimize noise.