Guess we will find out on Tuesday.
This might even equal/surpass my Palm Pre Plus so I will probably switch evenly between the two phones.
Shame the iPhone 4 still doesn't do proper full multi-tasking for IM and doesn't have notifications or much more full social network intergration or widgets or 64GB or 128GB.
The UI is still a bit tired (same old pages of icons) and is not as advanced as WebOS IMHO.
Hopefully a lot of these issues will be addressed by the end of 2010, in order to keep Windows Phone 7 and Android at bay!