I am located in Central Europe but do enjoy the following english speaking members:
HeadHardHat
CacheAdvance
GoGeocaching
TheBadCop
gcpodcast
I hope this helps.
In German speaking countries, often the number 50 or even 100 is mentioned, before one should hide a cache. I do believe this is a good (however *unofficial*) limit to gain experience about the nature of good caches.