RE: what was your first radio system?
First radio was a Futaba Attack 4 AM when I started this hobby. Since then I've had:
Several more Attack 4 AM radios
2 Futaba gold face radios
Futaba pistol grip car radio
Airtronics Module radio
Airtronics Infinity 600
Airtronics Stylus
Airtronics M8
JR 388
Hitec Flash 5X
Hitec Lynx 3D
Hitec Aggressor CRX
Hitec Eclipse
Hitec Aurora 9
Multiplex EVO 12
Multiplex 707