<blockquote> Accepting donations would mean, in many cases, that I would be taking money from people who are my friends. Not sure that feels right.</blockquote> 
And how did at least some of those friendships you're referring to come about ? 
Why don't you set up a Thisissomewhere Paypal account and let the friends decide what feels right.  Hmm ? 

There's a major pet peeve involved here too, but I'm tired &amp; sort of cranky so will wait and temper my words with a morning dose of caffeine.