^ You're very wrong here. First correction,
Armin Only is neither so cheap like 10 Euros nor free. Proof? Here it is:
-25 October 2008 in Hasselt (Belgium):
* Regular: 30 Euros (40$)
* VIP: 220 Euros (299$)
- 29 November 2008 in Poznan (Poland):
* Regular: 1st sale 1500 tickets at 99zl (37$), 2nd sale 2500 tickets at 119zl (45$), 3rd sale quantity and price not known yet but guessing at 139zl (53$)
* VIP 150 Golden Tickets at 320zl (122$) [personal entrance to the event, access to special VIP zone, food served, free cold beverages and beer, free cloakroom for your jacket, free toilets (usually some are free, others not), sitting places with security in front of the scene, MSM Events Agency gadgets offered, more privileges that will be announced soon]
* VIP 20 Deluxe Tickets at 800zl (306$) [sitting place in the special lounge, massage, free alcohol drinks, free chocolate tasting, catering, free cold beverages and beer, free energetic drinks, personal entrance to the event, free cloakroom, free toilets, access to chillout room in the backstage, as a gift "Imagine" album with original autograph, 50% discount on the invitation for exclusive before-party 28 November with Armin, more privileges to be announced soon].
Usually in Europe the tickets are sold on Internet and there's no point of sale at the entrance. The identification is required when you go to the event.
Couldn't find the ticket prices of Armin Only 19 April 2008 in Jaarbeurs (Holland).
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Second correction: Sensation White doesn't last 3 days. It lasts 1 night, up to 10 hours (like the one of Australia is planned now). Line-up is most of the time 6 DJs.
-25 October 2008 Poland:
*Regular Early Bird: 46 Euros (62$)
*Regular: 62 Euros (84$)
*Golden Ticket: 110 Euros (149$)
*Deluxe Ticket: 188 Euros (256$) [except free drinks, free champagne tasting and white chocolate tasting, chillout lounge and massage, you get a discount at Radisson SAS Hotel]
-15 November 2008 Denmark:
*Regular: 65 Euros (88$)
*Deluxe: 180 Euros (245$)
-22 November 2008 Spain:
*Regular: 65 Euros (88$)
*Deluxe: 125 Euros (170$)
*Table at Exclusive Deck: unknown yet
-31 December 2008 Australia:
*Regular: 76 Euros (103$)
*Deluxe: 110 Euros (149$)
*Deluxe+dinner: 196 Euros (267$)
*Table on VIP Deck: 4200 Euros (5717$)
You can google Trance Energy and you'll find also not cheap tickets
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Now, concerning the ticket prices here. There is a fact. Europe is rich, the organizer is a label or an agency that is also rich and can sell at lower prices. That's also why there are free events (good example of ASOT 300). 40$ regular in Belgium isn't much, specially that Armin plays for sure 7 hours (and beyond), with singers and special guests (DJs) coming (i know that in Poland he will be with Richard Durand and a couple of others).
And water or redbull don't cost 10$! 
. The organizer certainly doesn't want his clients (the ravers) to be dehydrated at the event! It happened with me at John Askew (Sleepless Nights).
But Lebanon is lightyears behind Europe and organizers aren't that rich. There's no event agency here of the size of MDT Agency in Poland or ID&T in Holland (for Sensation). The organizer has the right to make profit. The best way to prove the difference between foreign and local organizer here is to look at the event of 15 November: 8 DJs, 30$ regular, foreign organizer. Remember, John Fleming and Christopher Lawrence aren't cheap! Meanwhile whether it's MixFM or NRJ, the events here are with 1 DJ (the main one: Ferry, Dubfire, Sasha, etc...) or duo (Above & Beyond's Jono and Tony) and the regular ticket costs between 25 and 35$. The only event where i've seen more than one invited DJ is with PvD and Askew. But the organizer also has to think about the ravers' pockets. There must be, as always, a price on which both sides (clubbers and organizers) agree. Just find that price (and remember at the same time that the unwanted crowd can't afford it). Personally, i believe that 50$ is fair enough for regulars. It's not too cheap, not too expensive, in one word affordable. And i'm sure that with such a price, water won't cost 10$!

(it shouldn't
no matter what)
To end my post, not only MixFM is targeted in this debate. We're focusing on MixFM now because of the destroyed bar and couple of other problems. But we see kids also at NRJ events (really didn't enjoy much Above & Beyond's event here).
And now, going to my bed for a good sleep!
