Where there's a will, there's a way. It became a challenge, of course, to nail down the route. But I shouldn't exaggerate the difficulty. There are quite a lot of crossings, and many parallel access and farm roads. Slotting the route in between them all and fixing the GPS points at crossings did the trick.

Now when it came to topographical detail, that's another story (which I have to admit I didn't solve myself; but it has a bearing on the great import discussion on the legal talk mailing list).

Didn't used to, but it does now, yes. In IE 8 on XP Pro, SBS2003 domain, updated to current.
I found that clicking on the View tab a second time brings up the slippy map. (Thanks for commenting my recent diary entry, by the way.)

User:Rullzer has a nice set of simple checks on the integrity and completeness of the cycle node networks in The Netherlands on: http://mijndev.openstreetmap.nl/~rullzer/rcn/

User Wimmel has started adding nodes from this cycle node network on the German side of the border into the "superrelation". He has _named_ the nodes as well as using the rcn_ref tag for the number (all nodes with a Stadsregio Arnhem Nijmegen information board have unique names as well as --sometimes, non-unique-numbers). I will do the same for nodes I noted the name for and add nodes to the eastern extent of the network (where it is connected with the Rivierenland network).

Completed entering the networks I mapped earlier into the superrelationship. Further development will have to wait on more mapping time (I am only entering nodes I have visually inspected and -- usually- GPSed and routes I have cycled, walked, or occasionally driven). Will fill in gaps first before connecting with other existing routes. http://www.openstreetmap.org/browse/relation/934714

On the other hand: I noticed that bus routes have been added (and this is certainly not being done by walking from bus stop to bus stop). And there is existing data on train routes in some places (again: walking on the tracks is not the approach to data capture). Surely, the issue is whether the route is freely available (and it is, on the website). The maps, with the route overlayed, are there to use!

Yes, I would also VERY much appreciate it if I could use the CloudMade editor to get walking paths etc. and indeed all the other stuff which is useful for walkers onto the maps.

No, indeed, the route is not signed. So that's a future project, I guess.