Can you help me out?
Check out Blender Cookie.
Good head modeling one in 2.5 and quite a few from 2.49 that will still help.
You’ll have to jump through the previous pages of tutorials to find them I think.
Hey digitali,
You can the find the videos lynchy67 mentioned here: http://www.blendercookie.com/?s=topology+overview
Thanks you very much 
Probably more than you ever wanted to know:
The Pole (by SomeArtist)
http://subdivisionmodelin…ums/showthread.php?t=907
The Pole - revised (by mister3d)
http://www.subdivisionmodeling.com/forums/showthread.php?t=8000
Poles and Loops (by toontje)
http://blenderartists.org/forum/showthread.php?t=93651
In praise of 5 sided polys (Don’t worry be happy) (by ClayDough)
http://cube.phlatt.net/forums/spiraloid/viewtopic.php?TopicID=23
Character Modeling (by Tony Jung)
http://www.nevercenter.com/wiki/index.php?title=Character_Modeling_by_Tony_Jung