For me, the biggest change is that it is harder to find the “heat” in comics. When Wildstorm released ABC & The Authority and Marvel Ultimates came out, there was a strong sense of where comics were and were headed. That fed into Walking Dead, some great Vertigo series and a nice rebirth of independent comics publishers (CrossGen being the big disappointment there while IDW is surprising). Today, the general innovative side of comics is much more diverse while the general momentum feels a bit stalled.
Valiant comics is an interesting example there. They’ve relaunched most of their titles to fairly positive critical acclaim, but the comic shops around here tell me that they don’t sell Valiant because no one buys them. Nevertheless, Sony still seems committed to bringing the entire universe to the big screen.
Marvel and DC still dominate like always with a few Image and IDW titles still grabbing attention. Millarworld titles are also very successful and really the only place I personally find the same “heat” Wildstorm and Ultimate Marvel had (along with some Grant Morrison work like Marvel Boy and New X-Men), but that almost seems entirely unique in the same way Kirkman’s WALKING DEAD success completely overshadows the much milder success of his superhero work.