I am keywording .PSD stock photo series in one folder. I will select a group, modify the keywords, select another group, do the same, wait for a minute while it hangs and catches up, select another group and so on. More often than not, Bridge is losing my change to the keywords or info and I have to go back in an re-do the changes. And when I'm "done", I always have to check every file to make sure they are all now have applicable meta. And Bridge takes about a minute to change the meta on each PSD so it takes forever. JPGs are much faster.
Thanks.