Finding a decent ten inch tablet that won't break the bank can be an interesting process. There are so many options on the market, it's easy to get overwhelmed. If, however, you're in the market for something from the ASUS Transformer line, there's a pretty solid deal on eBay happening right now: the Transformer Pad Infinity TF700T is just $200. Keep in mind that we're talking about the Tegra 3 model here, by the way - not last year's TF701, which features the Tegra 4 chip.
While this deal is specifically for the tablet (no dock is included), it's worth noting that the units being sold are new, as opposed to refurbished models that we often see with prices this low (it's $70 cheaper than what's going on Amazon right now). Plus, you can always add a dock later if laptop-like functionality is what you're ultimately after.
It's hard to say how long this deal will last, but ones of this nature generally sell out relatively quickly. So if you don't mind a last-generation product, you should probably jump on it now.