After a full day of having Froyo, I gotta say, I like the change.
Flash is huge. Very nice.
Battery life, is slightly better. But, I do have to use CKA so it does not shut off. Tried the live wallpaper method, but no luck...it still shut off. Will try to see what I can do for a new phone, but I have enjoyed my captivate thus far.
Battery experience is better. I never felt that I got an accurate reading on my phone. Seemed like it was all over the board, and I would get the plug in screen around 20%, and it seemed to pop up often. I did not get it until 15% today, and that was about an hour ago, and nothing since. Battery has been up for 12 hours of moderate use. No phone calls, tons of texting, and surfing the web and using my FB app. Not disappointed compared to what I had before.
I like the changes to the phone as a whole. I have not had any major issue, and most of anything that was minor was just me needing to tweek to my liking versus a problem.
I was considering rooting it, and still might root. But, as of now, I like what I have, and I am content with the new OS.