Valuecruncher

Running the Numbers: A Five-Minute Valuation of Microsoft

It is a current valuation - today.

If you want to change any of the inputs - for example WACC - you can.
A DCF valuation simply requires estimates of cash flow and a discount rate.

The Valuecruncher model does calculate a net debt figure - so it does look at the cash (and any debt) on a balance sheet.