Bugs? Where to start. GMail has a big issue. It doesn't seem to want to sync itself properly with IMAP. I was selling some concert tickets and relied on my phone to get customers. Well, I received a couple, but the actual PC client had more emails than my phone. I missed out on several deals. The iPod app is also funky. I can browse through the catalog looking at what I may want to play and then exit. When I go back in at a later time, it says now playing and something I wasn't even looking at is paused. It doesn't make any sound, so that's good.
Ummm, in mail, I notice that if I am typing faster than normal, the cursor moves along just as it's supposed to, but no characters show up until I move on to the next word. When on forums and I am writing a reply, it doesn't format the text box right. Sometimes it enlarges the font, sometimes it leaves it small. Odd. The camera also takes a much longer time to startup, but once it loads, it snaps pictures much faster.
Those are the ones I found so far, but the hunt continues.