My daughter got me a Raspberry Pi 2 for Christmas and I did think of getting a DV4mini to go with it, but I think I will hold off to see if things settle down and get a clearer picture for the future of the DV4mini.
Connect Systems CS750 and CS800, Hytera PD-365, Motorola DP4600
Raspberry Pi 2 and DV4Mini HotSpot
AOR AR-DV1 Digital Voice Receiver / eSPYonARD
WS1088 / TRX-1 / Whistler Q / UBCD3600XLT