Yes, the EIC 2 is different. It uses a new method of sample organization that results in significantly reduced loading times.
The Kit 808 Drum Rack preset can be played, the Macros can be tweaked, but the single pads/chains can not be accessed for editing. Other Drum Rack presets are editable without problems.
When using the “Buffer Shuffler” Max for Live device, Live adds many undo steps to the undo history.
With sets made prior to Ableton Live 8.2, you'll need to select the “Fade” mode on Simple Delay, Ping-Pong Delay and Filter Delay by right-clicking on the header of the effect.
The Arpeggiator doesn't play in sync with the rest of the Live Set when the track is armed for recording or the monitor switch is set to “In”.