I just setup pptpd for my iPhone. Since I don't really trust all the application developers to think about my passwords and my privacy.
I know PPTP is not the best VPN solution but it works and was easy to setup.
@Joe du auch wolle?
Der Befreiphone Wettbewerb ist lustig, also mach ich mal mit.
For the non-german readers: this is a SEO contest where you can win a iPhone if you get ranked 1st for a
search on Befreiphone on Google.