There are three versions of the SodaStream on Amazon right now for $20 off the list price and they qualify for a $15 Amazon.com promotional credit after you purchase them.
Get a $15 Amazon.com Promotional Credit with Purchase of a SodaStream Jet
Starter Kit
Order a Sodastream Jet Starter Kit and receive a $15 promotional credit toward the purchase of items shipped and sold by Amazon.com (certain exclusions apply). You will receive confirmation of your credit via email within two days after your qualifying order ships. Offer valid when shipped and sold by Amazon.com. Amazon reserves the right to change or terminate this promotion at any time.
Terms and Conditions
• This is a limited time offer. Offer expires December 31, 2013. Promotional credit expires December 31, 2014.
• Offer only applies to products sold and shipped by Amazon.com.
• Offer good while supplies last.
• Amazon reserves the right to modify or cancel the offer at any time.
• Offer is non-transferable and may not be resold.
• If any of the products or content related to this promotion are returned, the value of the offer will be subtracted from your return credit.
• If you violate any of the Terms & Conditions, the promotion will be invalid.
• Void where prohibited.
• Shipping charges may apply to discounted and free promotional items.
• Offer does not apply to Amazon Gift Cards.