[*]Specific details will be released during E3 on June 5-7th.
[*]Will be released thus summer on 360; PC/PS3 will get it a month later.
[/list]What will this entail?
[*]Notice the eyes in the poster.
[*]THERE IS A QUIVER OF ARROWS.
[/list]Speculation
[*]Something to do with Dawnstawr.
[*]Motherfucking crossbows and vampires.
[*]Snow elves
[/list]
This information is most interesting when held against what an enterprising Bethesda forum poster found in the most recent patch coding. Among other things, the files seem to reference crossbows, Snow Elves and vampires.