NVIDIA is restarting its GPU Computing Webinar Series. So you have friends and colleages who what to get up to speed on CUDA C or OpenCL - suggest they attend these webinars.

NVIDIA staff are on hand to answer questions - often during the entire session via the Chat Window - and if time allows Q&A can be interactive two way audio conversations.

So just follow this link for the full schedule of webinars:

http://developer.nvidia.com/object/gpu_computing_online.html