Carvox 4.3" Portable 6-in-1 GPS Navigator

[davidcnz]

http://www.12v.com.my/Carvox-4.3-Portable-6-in-1-GPS-Navigator-1-Year-Warranty/q?pid=139&doit=order

Features
- Full function GPS Navigator with Original PowerMap license
- Fast processor
- Long Battery life
- Media player with music, video and picture support


is it reliable for one ? with a powermap license...not very sure with this "powermap" ? does i need to pay any fees for it ?
anyone here used this before ? pls share some experience here..:D kinda new to GPS system :P