Elijahg,
You're right about selecting the right channel for the right audience.
I'm posting on both Xcode-related forums —of which Stack Overflow for very specific questions about the Xcode 4 template— and embedded computing related forums.
The idea is Arduino users may be interested in using Xcode and Xcode experts may have some tricks to exchange.
Thanks to this strategy, the Wiring and LaunchPad platforms are now supported by embedXcode. I hope adding more platforms may help raising interest on this project.
There are so many things one could dream about: built-in serial console, integrated help, debugging, closer integration of the tool-chains, ...