I couldn't agree more, just buy a Receiver (or maybe a SB3) and an iPod Touch. The native iPeng app is better than the Controller. I have a Controller and and iPhone, the iPhone gets used to control my Squeezeboxen far more than the Controller does.

If you have a Receiver and no Controller you have to jump through some hoops to do the initial setup, but it isn't that bad.
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Remind me to change my signature to something more interesting someday