BuySpry via eBay offers the Monster Beats by Dr. Dre Studio Noise-Canceling Over-Ear Headphones in four colors (Silver pictured) for $99.99 with free shipping. That's $5 below yesterday's mention of a refurb (this set is new) and the lowest total price we've seen for these headphones. (They're a current low for new by $51.) They feature active noise canceling (powered by two AAA batteries, included), a detachable cord, collapsible design, and in-line controls.

Note: These headphones are new, but are not shipped in retail packaging nor include the normal 1-year warranty. A 60-day warranty applies, but it's unclear who backs it.