http://wiki.ashesofthesingularity.com/index.php/Ranked_Maps
Like I said in my rather inflaming thread, maps are being essentially ignored since they probably have higher priority stuff at hand (whether we agree with their priority or not is another matter). It's also likely that if this priority continues, season 2 maps will be the same (they will probably be better thanks to the feedback of season 1, but if they happen to have problems, they will probably not be fixed, just like season 1, swept under the carpet and a "promise of better season X+1 maps").
My personal ranking of maps in terms of enjoyment (I actually enjoy a loss on the top ranked maps below, as long as I see massive amount of firepower going back and forth on the screen):
1. Frosthaven
2. Dread Valley (the map favors air a little due to the amount of radio available near your base AND overall in the entire map, as well as being able to interrupt expansion without having to walk your ground units a massive distance, imagine if radio nodes are a little less, this map would produces a lot more Dreadnought combats)
3. Deneb (I think it needs to be a little more symmetric but maybe being asymmetric was what makes this map nice to me)
4. Kralon (the only thing I hate about this map is Artemis completely dominates here, but I suppose after Eradicator gaining radar targeting it would be ok)
5. Bis (would like a bigger version of this map, that probably has some valley / hill / resources between the generators so stacking defenses at the center early isn't so preferred)
6. Delphi (it could have been a fine map if the resources are more on the outside of your base, the amount of initial radio causes this map to be air blood bath opening and a very good start for Punisher cheese)
7. Knife Fight (would really like a medium / large version of this map, with 2 flanks added on left and right)
8. Proxima (would like a bigger version of this map, where 2 flanks are wider, has more resources along the way and less easily defend-able)
9. Pyn (this map faces the same problem as F&F, 2 nodes are not easily defended, making going at least 1 aircraft the preferred opening for me)
10. Cygnus (please fix or fuck off)
11. Fast and Furious (please fuck off)
A lot of people probably like Proxima and Pyn more than me but for me, Pyn has always been a Punisher cheese map and Proxima feels so small (really don't like small maps).
I also saw some very strange names ranked maps through others match history. I'm not sure if I never get to play on them because I don't have all the DLCs or my eyes just tricked me.