Yeah... I love Arch, and I hate it.
However, I have to say that the documentation is quite excellent (with some reservations {wireless is a bit messy}) and the forum and IRC support is very helpful. Which is inconsistent across the distros (Gentoo and Sabayon tend to either be really helpful or real hardcore jerks). The Arch guys are always cordial and helpful which encouraged me to hang out there more often...
Pacman is slick and fast. The query feature could be more robust before it reaches Debian loveliness, but that isn't always necessary. Sabayon's entropy is nice and verbose, but slow does not begin to describe it. Sulfur is even worse.
AUR is cool, but I definitely recommend a manager for it as it can be tedious fetching all of the prereqs for a much loved piece of software.
There are many Arch-based or inspired distros. I currently use ArchBang, which keeps you from having to start which the bash shell and work upward from there. I've done the build from bare metal with Gentoo and Arch enough to know that I don't always want to start there.
Anyhow... back on topic... Yay for Arch.