I do not speak Spanish, but there is a swivel seat for the NV 200 and for the Caddy, which would make a lot of alternative concepts possible for this interesting van. http://www.youtube.com/watch?v=8ockiEJ7l28
Please contact Enrique of camperoad.com, he will be the distributor...
Regards
Rotating Thomas
we try several times to contact with Enrique and it was impposible to make an appointment and instal the swivels. may will be fine look for another contact for do that in spain...