List of games discussed on Episode XI (Jan 8, 2013) of Guns, Dice, Butter. Data files on GDB consimworld discussion board.
4 games (HRC, RoR, Brit and C&C) account for about 1/2 of the owners.
Berg has about a 1/3 of the titles; Herman next with 6 (collaborations with Berg for the most part).
GMT has about a 1/3, with Avalon Hill Classic 2nd with 7.
Cult of the new alive and well here: 60% correlation between year published (newer) and ratings (high).
Only 5 heavies: SoJ, Epic of Pel War and Republic of Rome (probably pushed up by non wargamers), Cathage/RR Berg's recent GMT titles.
About half the games published in the last ten years.
Pretty much traditional mechanics (hex/space and counters). 2 CDWs (HRC & SoR) and a couple of block games.
I've listed my favorites at the top of the list.
Many of these games have been discussed on my podcast: Guns, Dice, Butter ...along with conversations with the designers, the historian Adrian Goldsworthy (episode XXV) and a survey of the topic (episode XI)