I've had my (refurb) duo for just under a week and here are the tweaks that have made it a much more enjoyable experience for me:
- I didn't do a clean install but did remove the many programs as suggested on this site and replaced antivirus with MSE
- I turned off Aero
- I installed Opera mobile 11 for Win7 to use with my news/digimags and reading sites that do not require flash and IE9 for those that do. Opera m11 really works well on the Duo with the smoothest scrolling and touch gestures I've found. Nice sized buttons for larger fingers - Speed Dial screen is great
- And perhaps the nicest change in appearance was reducing the plan brightness in the power options to the lower third or quarter of the slider scale for both on battery and on power, then correcting (to taste) the gamma and contrast settings under the color correction tab in the IntelGMADriver in Graphics properties
I have my Duo on the porch or in the kitchen much of the day and find having the power button set to hibernate (and use it when away for longer periods of time) and a 5 minute screen inactivity power down will allow all day browsing and email functionality. Then (at least this week) it has ended up plugged in to a speaker system in a 2nd bedroom where nieces and nephews abuse bandwidth on Hulu or Netflix while the adults discuss events over cocktails.
A very nice little piece of tech at an incredible (refurb) price.