Stuff I'd like to see fixed in 8.1:
Various screen rotation issues, including uʍop-ǝpısdn videos
Safari crashes, especially when playing videos
Inability to select text in Safari or resize a webpage
Bluetooth weirdness where calls don't ring and texts don't notify
Horrid iPad performance
Return Camera Roll, dammit!
I'd love to see iPay go live, but not if the rest of the OS is going to be substandard.