My company is getting ready to move to a new office, and with the switch we want to install a new system. We currently have a Samsung DCS system which we are using very little functionality on. We are hoping to utilize our new system much more fully.

We have been looking at getting a Samsung iDCS 100 or 500 when we move. Today I talked to a sales man who insists that we should be going with NEC. Of course I know that is because he sells NEC!

My question is, how does the lay person like myself find out what the differences are between these systems. What is a good resource to use for comparing and evaluating phone systems?

Can anyone tell me how the iDCS systems compare with NEC IPK II?