I just broke down and bought two carts (I've been very restrained about buying more carts since August). There's a two for $55.00 sale on Walmart.com, the email gave me the impression it was a while supplies last sale, but the link was provided by someone on the Cricut message board so I'm not exactly sure if they are related. The link is
http://www.walmart.com/ip/Cricut-Lites-Cartridges-Two-for/15230526. I'm sort of hoping this ends soon, because I only have six of these (plus the two I just ordered) and it's so much easier not to buy anything if the temptation isn't there lol.