Groupon offers the Keurig Rivo R500 Espresso / Cappuccino / Latte Brewing System for $99.99 with free shipping. That's $4 under our May mention and tied with the lowest price we've seen. (It's the best deal now by $9.) It features 15 bars of pressure, two cup-size options, three frothing modes, a removable 60-oz. water reservoir, and adjustable drip tray. Deal ends July 18.