You know, that happens to me quite often. After a couple of beers everything seems to turn into a "Happy" mode and the world seems bright and smooth
For the audio: This is a common driver problem. Hopefully it gets fixed in the next release of Broadcom's drivers.
The other thing is, you have to get your 6230 upgraded to the latest firmware version (> 5.24) and you'll see that almost all problems are gone.
Or .... you may decide to stay with the beer