Here are a few:
1) if you get a text message that has a Subject and a Message, the Subject shows in the Dashboard Notification but not in the message itself. I have previously sent you some screenshots on this
2) The Camera does not include the necessary EXIF/metedata that includes the date and time the photo was taken. So, when I try to sort photots on my PC, these do not get sorted correctly. This had worked just fine on my Treos, and its really annoying not to work on my Pre
3) After a "reset" of the phone, I have to load up my email app, press ok on the "view/add an account" screen, open up the inbox, and refresh once in order to get the email app to automatically check for email.
4) Calendar app - can not specify time zones of appointments, so when you have facebook calendar sync, it automatically sets it as pacific time. so, if i have a facebook event from 3-4pm ET, it shows up on my calendar as 6-7pm (since I am on ET, and it thinks the event was really for 3pm PT)
5) Space bar often does not register when i type Comma then Space
6) Camera/Camcorder gets reset/frozen when a notification comes in. This is annoying because it will also stop a video from recording if I get a text or email or some other notification and it takes a good 10-15 seconds before it is usable again
will let you know what else i can think of!