Not having to wipe is obviously nice.. But I agree that full wipes and nice clean installs are good. I'm neurotic about what apps I restore with data afterwards and getting everything set up perfectly, and it takes me around 30 mins to do, give or take. It's worth it tho to avoid bugs and ghosts in the machine, lol.
When I was working with the Codename team testing stuff for them I did 4-5 full wipes in like the 2 day period before releases testing out stuff for them. Could get annoying, but the more you do it the quicker you get at getting yourself back to normal afterwards.