Got to get the files onto the HD in the first place, don't you, lee?
And it's fairly obvious that you have no idea of what constitutes respect. Unending sarcastic comments about the 'countdown', ceaseless duplicate posts about the same unanswerable questions (are we there yet, are we there yet, are we there yet?), would you put up with that from your OWN kids?
It's a good job Ketron have a dealer distributor network, because, to be honest, if you bought direct from Ketron, I doubt they would sell you one, knowing how much it is going to cost them in unending technical support cost as you whine and whinge over every last thing that pops into your head...
I've got the easy answer to all your questions. BUY ONE AND FIND OUT FOR YOURSELF
You already have an mp3 rig if it turns out it won't support 1TB. So at worst you would be where you are now, and at best, you can go back to using a keyboard for a DJ gig and give us a break here...
Wouldn't the way that MIGHT help our members is for you to find out the answers to what you want to know, and THEN come here and tell us? Or is that not enough fun for you..?