So, if you like the speed of the original Ka-boom check this out
K-boom remake for PC (download section) http://www.geocities.com/hcc.soft/
This is much like the original, with new graphics, sounds and music
The speed is awesome, actually I think it's harder than the 2600 version.
Also, in the DOCs section, there is a tutorial which explains how to
play that and any mouse-operated game with a real paddle!
PS: my best score playing this clone in standar type game is
46050 (in an insomnia night of course