Rbrt, I hope 'HE' understands 'THEY" are not too fond of double posts. 
Try using a different view. Just because its not happenig exactly like the video doesn't mean you're doing something wrong. The guy in the video might be using different settings than what you have, that's all.
COMPONENT MODE is used to edit the parts of an object such as CVs, isoparms and vertices.
OBJECT MODE lest you selct an object my itsmain components such as geometry, joints and selection handles.
Dave Baer
Professor of Digital Arts
Digital Media Arts College
Boca Raton, Florida
dbaer@dmac.edu