No mate - you should be fine with that - I HATE the way they do partitions now they do it for people who have no knowledge of PC's and it can be a godsend to them - but they do the partition after all the programs and software installed. :mad:
Lets be honest it's just a ghosted image, which are NOT reliable.
You have made the right decision in opting for something that you can be in control of - :D
Just to check that you are aware with the OEM versions MOST retailers will not sell you one unless you buy it with an INTEGRAL part of kit (gone are the days you can buy a £2.99 mouse :eek: and get the disk lol)
so you MAY need to buy a CPU,MOBO, or HDD - if you dont need any - give me a shout and I will get the HDD and either I can mail it to you - or the other way round :D