Great comments Jay, I have bricked my s2 a few times, some easy to recover from, some took awhile. The nice thing is that if you can get to bootloader, even if you are stuck in it you can feel confident that recovery is within grasp. I have found that if I use Odin and do a recovery tar, then I can get into recovery and do a wipe and reload a rom from there and it usually gets me back again.
ah you are missing out del, I have changed rom's 4 times this week, tweaking the one I want. Once you get the hang of it things go quick and smooth. After next week I won't have so much time on my hands and I can get a life