Why don't you guys meet in the Eindhoven region? It will mean a detour for the lads that landed on Hoek van Holland beach of only 15 minutes / 28 kilometers (yes, I checked the maps!). It will reduce the mileage to be covered on the German Autobahn with 20 km opposite to the Arnhem/Nijmegen route. The risk of low flying Merc/BMW drivers is therefor reduced overall...
If you travel pass Eindhoven, I'll serve you guys a cup of tea as well at my place... Also it is possible to check some stuff if some TLC to one of your C1's is needed. I won't be traveling along as I intend to arrive very early on friday...
Do not feel obliged, it's just an offer!
PS: Those of you traveling through Belgium, please keep your eyes wide open once you've passed the city of Antwerp. From that point up to the Belgian/Dutch border the motorway has some nasty bumps and damages. I travel that road at least once a week. Filling up the fuel tank should best be done in Belgium as it is cheaper than in The Netherlands. If you
PS2: If you come pass Antwerp and you do need to fill your C1 in this area, one of the cheapest patrol stations is found here:
It is only a minute away from the motorway. Along this street, Autolei, there are several filling stations situated. The nearest ones (as seen from the motorway) are the more expensive ones. So don't hesitate to ride a little further. You will need a bank card in some cases though...