Experiences with access outside Corporate Network?

System

DevNetters -
I was wondering if any of you have experience with extending TeamSite access outside of the corporate network beyond the suggestions in the Support article #61987, 'Accessing TeamSite from Outside the Corporate Network'.

I've got an Engineer here who wants me to look into options beyond vpn (we've got that set up for a couple of groups) and, in particular, look at Citrix Netscaler.

I've got little to no experience with Citrix. If I search Support, there's nothing there and searching DevNet produces little.

I've asked our hosting agency about this and they came back with 'vpn', but the Engineer still wishes to look into it a bit - thus this post.

Any success stories, Citrix or otherwise?

Thx in advance for your help.