Today in iLounge Deals, you can pick up the Jamstik+ Portable Smart Guitar for only $279.99. This Smart Guitar pairs with your iPad or iPhone to give you an easy and portable way to learn the guitar pretty much wherever you are, and with full MIDI support you can use it with a wide variety of iOS apps, making it handy even if you’re an experienced player who wants something you can toss into your backpack to take to parties. The companion jamTutor…