First lets clarify
A: Complete Dash, gauge, hvac, center console, and actual dash piece.
B: Partial, Gauge, hvac, center console
C: center console, hvac and center console.
A: not worth the time
B: Did all but head light and gauge area, will be doing it soon. looks good (except the gauge area on 98 looks better
C: Good cheap thing to do.
Price
A: More then worth thinking about
B $50 or so, All my pieces were $35.
C: $25-50.