Originally Posted by
Mirage
I'm no programmer, but to me it seems very unlikely that the server wouldn't check which version of the client a specific user logs in with each time this happens. It might not log this data automatically all the time, but I would "guess" that it wouldn't be a large ordeal to make the servers log which clients are used for which accounts for a limited period of time. The data collected from this would easily show how many subscribers logged on with only PC clients, only PS2 clients, both (and the distribution between the two), or any other possible combination.
The only thing you'd really need a poll for is to find out how many people would be all right with changing their platform, and what would be necessary to do for them to do so (like a free game download, for example).