And yes, it just feels solid, much the same way Slackware does but even more so. It's not the perfect "Desktop OS", dogfooding or not, but it's good enough if you're focused on using it to get work done and leaving the entertainment stuff for Linux/Windows/OS X.
And you should submit your dmesg and any info you have about your battery and PM issues to the OpenBSD devs. They really do listen and try to fix issues like that!