Domino and external device compatibily

I want build a little device for Telemetric measurment in my Downhill Mountainbike,
i have see the Dominio becose have the Micro-Sd integrated,
the external device for me necessary is,
good GPS,
accellerometer,
2 linear potentiometer
Diplay (or 128x64 or Nokia 6610)
1 RMCM-01 Heart Rate Receiver

The question is : the Fez Domino or Mini is possible make this device?
becose i have see the device some gps…accellerometer… display, use all the UEXT
and the UEXT is only one.

Please let me know

regard

There are other pins to make another uext if you like

Domino can all you described easily