First post from my Pi now that I've got run Ethernet cables to where my TV sits.
Logging in to the Pi (Debian):
username: pi
password: raspberry
Start the GUI:
startx
Switch to root:
sudo -i
Update packages to latest versions:
apt-get update
apt-get upgrade
Inspect the system:
uname -a
Linux raspberrypi 3.1.9+ #90 Wed Apr 18 18:23:05 BST 2012 armv6l GNU/Linux

root@raspberrypi:~# free -m
            total       used       free     shared    buffers     cached
Mem:           186        170         16          0          8         80
-/+ buffers/cache:         80        105
Swap:            0          0          0