If you are referring to the cocreate training that PTC offers via the Precision LMS web based system, I can recommend it.
The courses are complete, contain lots of audio and video, and the Precision LMS system offers some tools that allow an administrator to observe usage, deploy "testing", etc.
Of course, the recommendation depends on how much PTC is going to try to charge you for it.
also, during the discussion with PTC you should ask them if your purchase entitle you to whatever the "project lightning" effort produces...for instance, if in the next few years you find yourself switching from cocreate to whatever the lightning equivalent is, you'll want to be sure to ask them to provide for that in the deal...