J2534 Wich one ?

Hi
i have read here 9 topics about j2534 reprogrammer,i am trying to buy it but dont know wich one ?
i have test "mother" google and have found more then 5 kind of j2534 reprogrammer:
EASE Universal Reprogrammer II
Drew Tech CarDAQ-Plus
Bosch Flasher Pro
Bosch KTS5xx
ACTIA Passthru XS

need some opinion becouse i want a serrious J2534 device and if can help or if someone tested and what type of software
any info are welcome !


thx for your attention


Mike