The $549.99 OnePlus Pad 2 may have just recently launched, but the original version remains a worthwhile option that’s now undercutting the new model’s price by $170. Now through August 6th, you can pick the first-gen OnePlus Pad at Woot for $379.99 ($100 off), its lowest price ever. Sure, the older Pad may not have a 12.1-inch display or a nifty vibrating stylus that makes it feel like you’re writing on paper, but its 11.6-inch LCD has some great specs of its own — including a…