hi just to share my exp - phottix has a few range. for budget can get phottix tetra, i have a few, they are ok but lack on the range and compatibility so just it it for close proximity or studio is fine. dedicated transmitter and receiver. if in large venue for e..g event sometimes it doesn't trigger if a bit far.

I've switched to using a few phottix Atlas which is pocket wizard compatible. the range is far greater. Atlas is transceiver (same unit for xmit or xceive)
http://www.lightingrumours.com/phottix-atl...zard-review-299

you an even use it as a wireless remote trigger. highly recommend it for serious strobist.
cost Tetra = rm 99 or so for one set (transmitter n receiver)
cost Atlas = about rm 350 for one unit
cost Pocket Wizard = about rm 9xx or so for one unit

read through all the post but cant find wht i wan to ask :S so hope every sifu can help me. i'm going to bought a used sb900 so what should i check when i plug the sb900 ON and OFF my camera?
thanks for the HELP...

SB900 can become commander and slave
SB900 can recycle time is way faster than SB600
SB900 has never Interface

the downside is the size. very bulky

thanks but wht i mean is how to check the condition of the sb900??