KVM imperfection--possible solution

I explore possible solutions to the the imperfections described in the previous post, "KVM Switch & two monitors, imperfect solution" (http://davidvirgil.blogspot.com/2009/11/kvm-switch-two-monitors-imperfect.html), at:

'Switching Monitor Input Between KVM-to-monitor-output & Computer Output'
http://coolname001.angelfire.com/kvmtwo.htm