Some obserations based on the latest incarnation.
Move: Hey, you've seen the show...they're not that slow...
Well now they fly, apparently >100 knots if they want.
Target: While they're not slow, they're not exactly nimble
True, when they stick to the ground
Save: Well, they're pretty tough...
True, very true...
Kill: ...that said, it's typically a heavy weapons that typically takes out a Dalek with any form of ease.
Now they have some nifty force fields which seem pretty much impervious to anything!