I got the Meteobridge Pro before the RasPi version was available. After using it for the past year, I would buy it again. Price was not a factor.
Another plus I can add from my WLL experience this past year was invaluable. I'm on a rural electric coop and the power goes out frequently. The Davis WeatherLink Live device stores data when my power and my router is down. When the power comes back on, the WLL fills in any lost data to the weatherlink.com database! My data charts are perfect and complete since I set up my system last August.
I have no problem with the $49 per year subscription to WLL Pro. I just put it on autopay and forget about it. Heck, that's less than I paid for parking and tipping the waitress when we went out for dinner on Saturday.