About Q-PCR(real-time PCR) - COMPARE (Apr/10/2004 )

Any one can give me a compareation result of the Real-time PCR system avaliable on world maketing now.Which system do you use now and how about you system.The bellows are help you to choose.
ROCHE:Lighe Cycler, Lighe Cycler2
ABI:5700 7000 7300 7500 7900HT
CORBETT:Rotor-Gene 2000 2072 3000
MJR:OPTICON 1 2
Cephid:Smart Cycler
Stratagene:MX4000 MX3000P

Check http://groups.yahoo.com/group/qpcrlistserver/ for more discussions of this topic.