Let's see:
There are 6 disks in this computer, a total of 11 partitons - 3 for linux and two disks splitted in half.

250gb xp disk, one partition
320gb ubuntu disk, three partitions
250gb media disk, two partitions
250gb media disk, two partitions.
200 gb disk, right now empty.
160 gb disk also empty. Usually I use these two for testing distros etc.