We actually have that info for new collectors, thoughtfully placed in a FAQ thread in the 'New Collectors' sub-forum...
http://forum.lugerforum.com/showthread.php?t=13121
Maybe next time you should read first, before jumping to conclusions?
Collecting Lugers is not simple, not easy and certainly not cheap. You will have to do your homework, buy and read the right books and develop a basic knowledge.
The Luger collecting area is so complex that you cannot expect to be educated by a few comments in a newbie forum.
The PDF document in the link above should get you started, but be prepared to study hard and long.
Good photos, though.