^I joined in Oslo and paticipated until Saturday after the Seehaim bash. Value for money was great, the highlights for me being Lufthansa and TLS go-around
I'd be willing to spend a week, 5 working days plus a weekend on either side.
I realise me joining in Europe kept my costs down a lot last time, if going longhaul this year my budget would be about $2k.
In the end, whatever the masses and organizers decide, I will probably join as I know what a crazy and fun crowd goes along with this kind of thing. ^