I'm having a similar problem. I got the email saying I wouldn't be charged shipping on my order because the Lancer was backordered (I placed my order back in May, literally the day they were announced but whatever). When my game arrived Tuesday minus the lancer, the receipt was for $73; $60 for...
I have an older Tritton headset, the AX360, and for shooters I actually prefer it to the surround sound in our living room. Each can has multiple speakers so you get a true 5.1, and the mixer is inline on the cord so you don't have to run over to the amp to tweak the different channels or volume.