Samsung introduces the Gear Icon X, wireless in-ear headphones, without cable between them, with 4gb storage and HR tracking.
The Jabra Wireless Pulse combines a heart rate monitor with a headset. Even less to take along on your run.
The TomTom MultiSport Cardio has a nifty feature that it measures your heart rate on your wrist. It uses green LED lights and a sensor to measure the blood flow and by that determine your heart rate.