I'm loving the rhetoric on MacRumors these days. More dramatic than daytime television.
LITERALLY UNUSABLE STEVE IS GENERATING HIS OWN MAGNETIC FIELD IN HIS GRAVE HE'S SPINNING SO FAST
On topic though, I've seen people report for a while like @ZEEN0j described above. A sudden but persistent jerkiness until an app is killed off. Haven't seen it myself though on a 7+.