webdoctor - 11:50 am on Mar 27, 2007 (gmt 0)

Yes i do have K1 K2 K3 in the titles and header tags.

It's the <title> that's important, if that's not right then you can forget the others. Don't worry about <meta> until your <title> is right.

You've optimised your page for K1 K2 K3, and you're ranking well for K1 K2 K3. This is what you want, isn't it?

If you want to rank for K2 K3 then IMHO you need to do this on a different page - the presence of K1 gets in the way.

I needed different ways of incorporating K2 and K3 into the pages without falling victim to duplicate content.

I don't really understand this. If you have unique content relating to K2 K3 then this is a non-issue.

The problem I have is that I have pages for different geographical areas such as widgets area1, and widgets area2, I was a bit concerned that each page would have tags and titles that are too similar if i didn't add some different keywords to make them a bit different.

Forget tags and titles, it's the content that makes the difference. Do you actually have unique content relating to K2 K3 city1 compared with K2 K3 city2? If not, IMHO it's time to put your creative hat on and come up with some unique content :-)