I'm not going to go into any details (you can read them on the Garmin site), but I just wanted to post up that almost all the issues with the Colorado have been fixed with firmware 2.40 from Garmin, which is available on their update page.  Here's the quick and dirty version...

• Improved acquisition time in certain circumstances.
• Improved power on time.
• Improved backlight support.
• Improved support for NiMH batteries.
• Improved Wherigo player.
• Added ability to show and review geocaches on the map.
• Added ability to log geocaches as found.
• Increased maximum geocache count to 2000.
• Added support for BlueChart currents.
• Added ability to view extended information for custom POI's.
• Added ability for turn preview beep to reset the backlight timeout.
• Corrected map to display road labels.
• Corrected map to display small towns.
• Corrected map to not change orientation when beginning pan mode.
• Corrected metric nautical setting to display appropriate map scale.
• Support for Colorado Field Notes, at geocaching.com.

Anyway... Kudo's to Garmin.  As usual, their support is awesome and I expect we'll be seeing more updates over the next few months to make the Colorado even better.  I just wanted to point this out, because my previous post refers to the old bugged firmware.