I have an FP1 and am still very happy with it. GPS is not the best and as mentioned the battery is a bit prone to failure (I got mine replaced for free already), but all in all it’s a solid phone.
You best ask in this thread to get a response from a potential seller.
On FP2 Google Apps & Services are pre-installed and you can download Whatsapp and all those fancy apps from the Google Play Store. On FP1 there is a Google Apps Installer that works pretty well for most people but some had troubles reinstalling google after software updates.
You can find all that info on the Homepage. Here are the full specs of FP2. According to the shop if you order now phones will be delivered in march, but you can also follow this thread for more info.