Join Date: Feb 2011
Location: Kansas City, Mo.
Device(s): HTC G1, HTC G2, LG G2x, Nokia N900, HTC Amaze, Nexus 4, Nexus 7
Carrier: T-Mobile USA
Thanked 459 Times in 392 Posts
Never mind typing speed, I literally cannot touch the keyboard fast enough, even in utter gibberish, to cause lag on any of my devices.
Again, the info in the link you gave about the UI priorities, etc is old and no longer accurate. This was fully addressed in JB by Project Butter.
Registered Linux user #266531 Android since v1.0