Correct. As far as I know, LVNL doesn't use actual 8.33kHz frequencies. They might in the future. Eurocontrol has been using them for quite some time though.
Again, the actual frequencies do not change. No need to buy a new receiver for now, unless you want to listen to Eurocontrol. The 'old' frequencies at Schiphol are still the same. Just called differently. Maybe the conversion table below will make it a bit more clear. http://g3asr.co.uk/calculators/...
These 'new' frequencies are just new designations. The actual frequency is different from the frequencies on charts and the ones used by controllers. The technique is a bit difficult to explain, but the article below sums it up pretty well. http://www.lightaircraftassociation.co.uk/2013/Magazine/May...