Sellout Woot is offering - today only - a HRM for only $35.  I honestly don't know the reputation of this brand, but if you need a HRM (and for you newbies out there, you should have one), this this may be the time to get one.

 http://sellout.woot.com/Default.aspx?WootSaleId=8578&ts=1239195842&sig=6a2f748896c463bd


Features:

• Energy Pro offers the ultimate choice between strapless and continuous heart rate monitoring
• When continuous heart rate is needed during full stride or at full pedal, use it with the chest strap
• To take your heart rate measurement during lighter exercise or at any other time of the day, use it without the strap
• As a part of the new Smart Touch Series, the MIO Energy Pro integrates the latest in biometric technology into a sports and wellness watch
• Uses personalized data to help you reach your health and fitness goals
• Smart Touch is heart smart; touch any part of the stainless steel sensor with any part of your hand for your on-demand heart rate
• Visual display of percentage of maximum heart rate
• 3 default heart rate zone indicators with visual and audible alerts
• Visual display of calories and fat calories burned during exercise
• Visual display of average and highest heart rate of total exercise
• Exercise and lap timers, alarm
• Customizable with personal data to ensure accuracy
• Water resistant up to 50 M
• Accessible battery hatch (small screwdriver required, not included)
• Chest strap is compatible with non-coded Polar products
• User’s Guide
• Product Video
• Instructional Video

Enjoy!
mk