List of Neuroinformatics Tools w/ GPU-based Implementations
ITK page on GPU Acceleration (possibly useful for making ANTS go faster)
CLIJ (an ImageJ plugin that maps macro calls to OpenCL calls)
How exactly do GPUs work anyways?
GPGPU Lectures at Haifa LUG by Ofer Rosenberg
Exciting News for AFNI
The case for consumer GPUs over enterprise GPUs: