Picked this up on ebay for $105 incl postage. I haven't been able to secure ministerial approval for the one of Davis models (over $1K) but this was affordable and very well featured (wind speed and direction, max, average or gust. Indoor/Outdoor temp + Min & Max, wind chill & Dew point, % RH. Atmospheric pressure & history + trend. Rainfall over various intervals & history. Time & Date).
It's wireless (range 450 feet) and has touch screen as well as PC interface (USB) and comes with software. Setup is simple, the manual is well written and the PC interface is excellent. Build quality is good, all metalwork appears to be Stainless steel, although longevity of the plastic wind detection components could be an issue. Data from the PC software is exportable to spreadsheet.
The only downside I can see is that the screen is not as readable as some I have seen (although it is backlit for 30 seconds at first touch) and the update of wind speed etc is not instantaneous (probably to maximise battery life)