A 4k intro named elivated was released at this years Breakpoint party. You can download it here:
http://www.scene.org/dir.php?dir=%2Fparties%2F2009%2Fbreakpoint09%2Fin4k/
It’s almost impossible to run so they’ve been so kind to also upload some videos. I recommend the largest file.
Pretty cool terrain generation stuff.
Gives me an idea what I shall do for the Java 4K Demo contest 
Funny thing is that the generated terrain in this 4K demo is one of the best I’ve ever seen.
I mean… it’s realistic :o
Hmm, the 1920x1080 hq version brings my sli 8800gtx’s to their knees :
(though maybe the sli settings in nHancer need tweaking…)
Still, looks very pwitty!