Above posts were not there so deleted my orignal post.
Concur about waiting for the prices to drop from out of the clouds.
You might want to consider a SSD. A mid level 120/128 gig SSD is Not much more than a Good HDD and the SSD will blow the doors off of a HDD interms of OS and Program Load times. To improve map loads, the maps will need to be on the SSD, hense a 120/128 gig drive.
thanks for the input really appreciate it and will probably look into a SSD.