The software upgrade that I did for my Blackberry Bold fixed a few issues that I had with my Blackberry Bold.

http://mobilewiseguy.com/2009/06/12/blackberry-application-memory-leak-issue.aspx

I have more application memory, it gave me about 10 more megabytes of application memory. This additional memory stopped my Blackberry from resetting because the low memory.
My camera default email address that I use to send pictures is now working with the email address that I set as the default.
The browser works a little better on some pages like Wachovia.com and YouTube.
The Visual Voice Mail feature is ok but I have been using YouMail and I had Visual Voice Mail with their service and it has more features for free.
I also got some new games on my Blackberry Bold that I have not tried yet like Tetris. The main problems I had with my Bold have been fixed with this update. I did the wireless update at night before bed because it took about two hours to complete.