Beach Camera via eBay offers the Westone Adventure Series Beta High Performance Earphones, model no. 78401, for $49.99 with free shipping. That's $10 under last month's mention and the lowest total price we've seen. (It's a current price low by $19.) They feature 6.5mm micro drivers, an in-line microphone with remote control, replaceable cable, frequency response range of 20Hz to 18kHz, and travel case.