the cheapest and decent gps i bought is gpsbay 3033 at courts mammoth at 299. its use mapking.
then i accidently corrupted my sd card where the mapking is installed.

after googling around, i succeeded installing garmin mobile xt 5.00 on it since it use wince 5.0.
now with latest malfreemaps installed, this gpsbay 3033 really great just like other expensive garmin gps set.