I'm fine with all of them as well
Amsterdam is closer, but the other 2 will just be a 4 hour drive i guess, just gotta turn some music on and gooooo

I could probably bring 1 TV along, 1PS3 Console, a PS Vita TV with 2048, 3 controllers (2 of which have some air brake button problems tho), could bring my JBL Creature II Speakers as well (works fine for a normal sized room) if requested, works with a simple 3.5mm jack, so iPods, Laptops,... should all be connectable ^^
Also bringing my camera/tripod along for filming/pictures ^^

As for time, preferably near the end of June or later, as early June i'm probably still having exams
(And preferable not end july either, because i'll have to prepare for my exchange program starting in August)

But in the end it depends what works best for the others

Cipher