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Need more hits - are you finding that more pages have been indexed or were all your pages being spediered anyway?
In the long run I'm sure Google will be able to deal with this issue perfectly, but question is - is it worth risking my google ranking when they may not have perfected the way they do it yet?
do you use a sitemap extensively or do you just place textlinks elsewhere?
I use text links -- in fact for some time now, I use text menus that are lists instead of menus made of images. When it's practical, I also use a sitemap page or section, but I've found that text menus and links in the content section are the surest road to crawlability. Text menus with css hover effects are a lot better, IMO than images with rollovers.
Some clients really have a thing about using images for their menu -- and in those cases well chosen footer text links become essential. However, I always have a footer navigtation section for long pages anyway as a usability enhancement. A breadcrumb trail is another crawlability enhancement that works well for some sites.