With monster applications like Office 2007 (and updates) installed on my VmWare machine my 12gb virtual hdd quickly became a tad to small, and how do you expand a VmWare harddisk (well not from the GUI, which to me seem quite lame but true never the less)!?
Well a guy called Alexey Vasilyev was kind enough to write a simple 4 step guide, which I even managed to cut a few steps off..
Anyway, here it is enjoy;
http://www.vmweekly.com/articles/expanding_the_virtual_disk_size_in_4_steps/1/
PDF version;
http://www.vmweekly.com/pdf/expanding_the_virtual_disk_size_in_4_steps.pdf