I feel like I'm running in the dark with no email notices of a reported post. I didn't realize how much that feature meant to me. When running vB, I had an email filter setup that forwarded reported posts to my cell phone.
No email notice of new members is another thing that helped me nab obvious spammers (spammy names or email addresses) before they could confirm their account.
Just expressing some thoughts here I really do like XF and enjoy using it but these are must have features, IMHO.