Have not seen that problem since PW-1 days.
I do not have that problem on mine.
Mine:
Model: G000 KA
Firmware: 5.8.5
Build: (304830064)
Items on device: 45
Installed stuff: current Jail Break and kTerm (only).
Disabled: Voice View and Bluetooth, most of the time, Wifi Off (in Airplane mode).
Yours? (firmware detail from the "Device Info" panel).
= = = = =
You are correct, events are "queued" internally, but you should not notice it on a human time scale, only the cpu knows about that queue that keeps its actions organized.