I've used FreeBSD since 6.0 as my daily workstation, and I have few complaints. I'm currently running 8.1-RELEASE/amd64 on a 4-core machine, 8GB ram, and almost a TB of ZFS space. ZFS isn't the best performer, granted, but I beat it up pretty good and have nightly snapshots running, and stability has never been an issue.
I can count the number of times FreeBSD has locked these past 5 years on 1 hand. 3 were due to the 3rd-party fuse-ntfs3 port (non-stock, try to avoid it when I can), and 2 from reading the entirety of /dev/mem with certain programs (not sure why this happens, and it surely must be a bug).
And I don't know why people dis the ports system, as I find it far more functional than anything in the Linux arena I've ever used. Yes, gentoo fans, this includes portage.