I've just installed RC1 from 3rd party repos (add "deb http://ppa.launchpad.net/fta/ubuntu hardy main" to your /etc/apt/sources.list ) and have noticed one big improvement right away - AwesomeBar is much, much faster.
In 3.0b5 it's been really slow - I haven't measured it, but the delay was more than noticeable - I could wait for 1-2 seconds every time I typed something into the address bar. Now everything appears instantly - there's no lag at all.
This improvement alone makes it worthy to upgrade to 3rd party packages...
The business loans are useful
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