Aran writes in C#, WPF and does Audio for the iPhone.

Has a code blog here here

Has a synth blog here here

Is writing a Model View View Model wrapper object for business objects here

Does not believe anyone really understands focus in WPF.

He has a site for some test projects for using Core Audio on the iPhone here

He is compiling a collection of books he has found useful/interesting here

has written a drum machine dj mixer effects unit for the iPad - check it out here