BobF

Unless you work for free (in which case, come on over), then buy a used one from ebay or the like. It will save you allot of dorking around and when you are done with it you can sell it off. There are many available that would work better than BTZS that are between $50 and $100. Otherwise, borrow one. If someone you know has one, I'll bet they don't use it much.