I was taught many moons ago that frames did not go over well with search engines because the content was being pulled from other HTML files, etc, etc. Do frames pose a problem for websites looking to get good listings in SE's.
That was pretty much my understanding. I was looking for more specific reasons as to why frames are poor to use with regard to search engine optimization/placement. I'm still learning. I would assume it is a problem because frames source file will not show the content for the HTML pages it pulls and therfore cause problems with getting good rankings - Is this a safe assumption? Search engines have not worked around this to provide a solution?
I have courently a framed site (3 parts) tah has over 80,000 pages indexed and dozends at PR5 and 6. Personally, I'm working on a new frameless site. But it's hard for the type of application I run. It's doable but difficult to geet everything right such as linking and frame breaking and frame building from SERP links.
If you start over and have a choice, try to avoid them, except were they make sence, i.e. web applications NOT document type websites.