I also have a Fujitsu 4121 Tablet PC.  The size of the PC works fine for me in a 360, but my wife is very accommodating.  Daylight readability is great.  The brighter the sun is the better.  I regularly fly at 13-17.5 Kft and have once been at FL190 without any disk problem.  Wonder if the Fujitsu drive is a little more tolerant than Motion PCs?

This is combined with BT WxWorx and BT GPS recvrs using the WxWorx OnWings S/W and Flight Prep ChartCase Standard Ed.  GPSGate S/W simulates the required two GPS inputs for the applications.  I much prefer OnWings display of weather data compared to ChartCase Pro (which I have used also).  The Pro display has very low contrast colors to depict NEXRAD and IR SAT, so they are very hard to see.  OnWings is perfectly balanced, in my mind, between the weather depiction colors and intensity vs. the vector map background.

The only problems are getting the BT connections established before the applications run.  Once connected, BT is no problem.  Usually starting the XMLink S/W (before starting OnWings) finds and connects to the WxWorx Rcvr.  Sometimes it won't.  Then you have to "explore" the BT connections and try to "connect" there first.  Sometimes that S/W will even tell you to re-do the password "pairing" before connecting OK.  I did have to go to the BT card manufacturer’s web site to get the latest BT device drivers before things worked this well.  Before that, good BT connections were less than 50% on the first try.

The GPS connection behaves similarly.  Usually GPSGate finds the BT GPS just fine, other times you explore BT connections like with the WxWorx.  I almost never have the BT connection drop later on.  The Holux BT GPS is a little orientation sensitive in the cockpit.  It will drop the satellites and moving it around will bring them back.  Meanwhile my Garmin 430 never breaks lock unless I am in a NOTAMed outage area.

Overall, I am very happy with this setup.  At most, it costs me 2-3 minutes to get the WxWorx connection going after engine start.  This is because the receiver is avionics bus powered and that bus is off during engine start.  Since the GPS is battery backed up, that connection happens before engine start.

Tom