Which is a good thing. Anyone who says otherwise wants the game to be stale and lame and I hate them.
No power creep means a Warmahordes meta where nothing changes. Ever. I like power creep. It means the game changes all the time and one Codex or one army build doesn't stay on top forever. Power creep is good. I need to find that Essay (It's like eight pages long?) that says that not only is power creep good for GW's business model - it absolutely is - but that it is also completely necessary if GW doesn't want 40K to die out.
The only problem with power creep is when your favourite army doesn't get updated. But, we're in 2014 now and GW is trying really hard to update everything before they do in fact, die out.