I hope they get it right for Koala
Jaunty was the worst release for me so far. I experience terrible graphics performance (yes, Intel chipset) and regressions with sound (low volume, no physical volume control).
Given the popularity of Intel chipsets on low cost laptops it is hard to believe Jaunty was released - a good argument for releasing when something is ready rather than a regular date.
I hope Koala shapes up to be a better release but this time around I will wait before doing a clean install to see if the important things are fixed.