That map that Tiff posted is ridiculously wrong.
Though not the nat geographic one is any better. They were lazy and just coloured everything under a fixed elevation ocean. The world doesn't work like that . Lakes don't suddenly start rising even if the sea does. Baikal would most likely dry up more, not expand, for example. There's also a pretty big difference in sea levels around the globe. South and Nort Atlantic are NOT at the same level, much less the Mediterranean and the Pacific.
What's much more interesting than the unavoidable flooding of Netherlands is how the eventual changes in sea currents would shape the climates. Finland might actually get fucking cold and Norway might as well be named Svalbard alltogether.
Oh, btw. Tiff, just scavenge screws off your other drives. They'll hold just fine with one or two screws less.