So I took the plunge. Couldn't help my self. Things look good so far. I'll keep you posted. I really like the keyword based galleries. I'll now have to update all the images. The crappy part is that I've already categorized all my images in iMatch... I wish I could just export that.
Update -- Yay! I got things working. Now clicking on the image brings up a lightbox version of the image (looks actually quite nice). Clicking on the title sends you to the gallery.
There are still a few things I need to work on...
Currently wpg2 only works with one gallery. I have separated out my pictures into multiple gallery locations (I'm questioning that decision now, but oh well). I'd love if I can update the image chooser to show images from other galleries, but I believe I can start with modifying the tag with a flag, which will point the logic to different location. In any case, that's definitely a future task.
Formating of the image thumbnails. I would like to improve the presentation a bit, but for now it will have to do. I've probably already hardcoded more than I should into the plugin, but at this point, whatever works.