Whether you’re new to MDT or looking for more info, check out the following sites:
Official TechNet MDT FAQ and Guide – Keith’s TechNet MDT FAQ and Guide – Start here, you’ll thank me later
Download MDT 2013 – The One and Only.
Deployment Research – Good Site, I highly recommend the LiteTouch Unleashed Series.
Scriptimus – Great Site, Mr. Barnes is always posting something useful.
Deployment Bunny – Cool site, I suggest you find his guide on customsettings.ini.
Deployment Fundamentals – Johan’s other site where you can purchase training materials and his books.