Get the top 1, i recommend a small light laptop with a very good battery, dual core or higher hdd is OK i use ssd, 2gb ram min 32 bit operating system will recognise 3gb ram i think.
Xp no longer supported but still works great on my laptop, maybe keep it away from the net although mine has been connected so I've been OK.
On the motorcraft site they give laptop requirements etc.
My laptop is Sony VAIO sz series 13" 2gb ram 64gb ssd iirc.
Did say the bottom 1 but proper look and I'd get the top 1 but check that it'll run xp.
My experience is xp is easier to get ids running on but others have had it on 7.
I'm going to install v86 on my dell w7 now i think and I'll let you know how it goes
56 350 2.2 130ps mk7 with 2 side doors
65 290 2.2 125ps custom with 2 side doors
07 350 170ps
Ids v86 licence + v86.04 update + xprog
hereIds map
here