After working with the 2+ I can confidently echo what Sander says about it being even more reliable of a machine, and more powerful feeder. I think the price is worth it but it is your wallet. If you are comfortable with installing parts then it won't be an issue either way. If you can manage it, order it now, plug in one cord and start!
What do you plan on printing? My advice to learning is to print something daily, learn by failing, often!