Just tried Arch Linux today myself. Bit of a rocky start. For some reason the "arch linux installation framework" could not properly format the existing partition I had waiting for a new OS. I already had Fedora 15 Gnome, Mageia 1 KDE, and Windows 7 installed on that drive, and I wanted to keep them.
For quite awhile I could not figure out why "arch linux installation framework" could not install GRUB, (and putting some lines in Mageia's GRUB didn't work either) then I realized the partition was seen by Arch as Fat 16. I tried to reformat the partition to Journaled EXT4 from the Arch CD, but it never took right. From the Arch CD, "fdisk -l" kept showing that partition as FAT 16. Finally I booted Mageia 1 and used MCC to reformat the partition, then the Arch CD was able to install GRUB.
Now that I booted Arch successfully I only had the CLI (of course), but no Wired LAN or WiFi. I had to use "ip link set eth0 up", then "dhcpcd --release", then "dhcpcd eth0" to get the Wired LAN working and get internet access. I had to use similar commands with wlan0 along with some wpa_supplicant stuff to get WiFi working.
Now that I had internet, I downloaded some packages with pacman and installed Xfce. Great balls of GUI!
Installed Opera and now am posting to this thread!