With the new iPad around the corner, there are lots of people wondering if now is the time to jump into the wonderful world of tablets. Of course, the new iPad will be the first one many first timers will look at. Many savvy shoppers, however, will also take a look at the alternatives before taking the plunge. That's especially true of low-cost alternatives like the BlackBerry PlayBook, Amazon Kindle Fire, and smattering of other bargain bin Android tablets (like the $100 ZTE Optik). The question is simple: how much are you willing to spend, and what value can you get for your money?