You guys are looking way too far into all this! Lowering any vehicle will change the suspension geometry from it's original plan but it also lowers the center of gravity changing the way the geometry is applied. The stock springs have tighter coils at each end and to drop a 1/2" or whatever will have little effect on the spring rates and ride.
Adding a sunroof to a car would have more negative effects!
that was my point though. Anything you change in the suspension geometry will affect it somehow.