bridge-utils : for configuring a bridge device
lvm2 : for creating the relevant block devices
udev : for configuring the block devices with proper permissions
+ fakeroot : for rebuilding the initramfs as a regular user in di-maker
+ xorriso : for grub2 to make an iso in di-maker
Recommendations:
aptitude install runit uml-utilities kvm screen bridge-utils lvm2 udev
+ If you want to be able to use di-maker, you'll also need:
+
+ aptitude install fakeroot xorriso grub2
+
* Link programs into /usr/local/sbin:
ln -s {di-maker,kvm-manager,kvm-creator} /usr/local/sbin/