So I upgraded to Lion the day it came out. I recently got a 2010 MBP refurb, so the upgrade was free. I did the typical upgrade option. Since doing so, my MBP has been running really buggy. It takes twice as long to boot, some apps take forever to open, and occasionally the whole computer will just freeze and I'll have to reboot by holding the power button down. I've done all I can think of to resolve the issues short of a completely clean install. Of course I did disk repair, I reset the SMC, reset the PRAM, checked Activity Monitor for running processes, and verified my disk to ensure it isn't failing. I can't figure out why it's running so slow after the upgrade. It doesn't seem like many others are having this issue as well. So I'm trying to decide what to do to fix this. I could do a clean install, but I have a lot of stuff that would take a long time to reinstall. And I'm sure I would forget something and lose stuff in the process. If I did a clean install, and restored from Time Machine, all the issues I have would just restore as well, right? What if I did a clean install, then transferred the content of my Time Machine backup via Migration Assistant. Would that yield the same result as just restoring from Time Machine? Any other suggestions to try short of doing a fresh install and setting up the whole computer from scratch? Thanks.