Pilsner DME (or Extra-light DME) uses Pilsner malt as its base malt. Light DME uses pale malt as its base. Pilsner is lighter in color and tastes a little different - not a huge difference, though. Methinks it's more appropriate for the style of beer you are brewing than the light DME.
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Planned: sLambic II, Flanders Red II, Orange Blossom Mead, Fat Man Porter
Primary:sLambic I, Janet's Brown
Secondary: Toasted Caramel Port, Flanders Red
Kegged: Hefeweizen, Centurion Falcon IPA< Dark Saison
2013 dump volume: ~2 gallons