This 5.1 Channel Home Theater Satellite Speakers and Subwoofer (model 8247) drops from $84.10 to $67.28 at Monoprice.com when you use coupon code BTSPER7 at checkout. Shipping is $21.04. That's high, but given the low MSRP for a 5.1 system like this, we still consider it a good deal. For example, it sells on Amazon for $128. Plus, CNET gave this speaker package good marks in the budget speaker category and this is generally well reviewed by Amazon customers. There's no sales tax (except CA).