and then there were 3...oops, 4...no, 5

Tekkeon's ET3000 ezTalker, Helium Digital's HD-880, and LG's HBM-500 make for crowded competition in the Caller ID enabled bluetooth headset market. These 3 join the first 2 that cropped up, Jabra's BT800 and Sony Ericsson's HBH-660/HBH-662. Now to check out their specs and compare...