Amazon offers the SodaStream Source Sparkling Water Maker Starter Kit in White for $61.99. Clip the $15 off coupon on the product page to drop it to $46.99. With free shipping, that's $15 under our mention from two weeks ago and the lowest price we've seen. (It's also the best deal today by $15.) It includes the maker itself, a 1-liter carbonating bottle, mini CO2 carbonator, and a rebate for a 60-liter carbonator.