Best small, desktop speakers, $500 or under (new or used)

cornwall IV
damn the torpedos

All the love for RS Minimi should make us recall that they were introduced as "everyman's" knockoffs of Visonik's David and the a/d/s/ L200.  You can disagree, but IMO the a/d/s/ L300 series (C,CC,e) were the best expression of the concept...5" 2-way with their "sticky" fabric dome and in the "e" model, a polymer dome.  I have a pair of the "e"s and consider them perfect for desktop use...coherent, not over-bright, nice punchy bottom, great compact size.  The C & CC versions have a bit more "zing" on the top end, which some may prefer.  You can often find any of these on ebay.

I have both Vanatoo Zeros and One Encores.  Excellent self powered speakers with built in DACs.  The One Encores work on a desk or stands.  The Zeros are especially good for Desks.  Very adjustable and sound excellent when you turn off the compressors that are on when sent out from the factory to keep people from overloading them with bass heavy music at a dance party.  Easy to turn off.  I met the company owners at Florida Audio Expo a year ago and their demo was pretty amazing for the price of this product.  Highly recommended for your desk!

@b_limo 

Just wondering, have you heard the Max paired in stereo mode? You'll be surprised.

My reference to the LS50W with regards to its pricing/value. If the Max didn't exist at its price point then there is no argument.