FSX general questions (compatibility and running)

alright, i am thinking about getting FSX (maybe deluxe) but first i have these 2 questions
1) how well do you think it would perform on this system?
1.8Ghz dual core processor
ATi Radeon X1650 (getting replaced with 8600GT)
2gb dual channel RAM
vista home premium
2) do you need the disk to run the game? i know there are ways around it on FS9, but what about X? not asking for anything to do the job, but my drive destroyed my FS9 and i was left to resort to other means of playing the game without going out to buy it again. so does it need a disk to run?
cheers
1) how well do you think it would perform on this system?
1.8Ghz dual core processor
ATi Radeon X1650 (getting replaced with 8600GT)
2gb dual channel RAM
vista home premium
2) do you need the disk to run the game? i know there are ways around it on FS9, but what about X? not asking for anything to do the job, but my drive destroyed my FS9 and i was left to resort to other means of playing the game without going out to buy it again. so does it need a disk to run?
cheers