Yes they are using GPSD but not sure which version.

Wifi is "alright". Not terribly sensitive but given the power contraints of this devices it is acceptable. Need to figure out how to hook up a cantenna to the N810 ;-)

To the person who suggests the 8G micro SDs are available. I went to their site but haven't found one vendor pointed to by the site to have them available. I have seen a lot of placeholders for them.

If you have a live pointer, send away....