This is definitely a big part of the fun of 4e for me. I look forward to my Fighter reaching 5th level so I can Minor Action Rain of Steel on the same turn I Encounter Power - action point - Encounter power - and probably use an item Daily on the same turn too.
Exactly! One thing I appreciated about 4e is that it was honest about its appeal to power gamers / butt-kickers and made their experience AWESOME.
I think 4e actually appealed to various other player types in the Robin Laws framework. For example I think 4e appealed to casual gamers (at least based on my local experience in 4e's early years) and sneakily also appealed to storytellers (if they could get past their distaste for all the numbers and overtly game-y elements, they would discover their narrative control, as is being discussed elsewhere in this thread).
But for some reason the Internet decided that actually making a game that appeals to power gamers in addition to other player types was BadWrongFun and drowned all 4e discussion in hatred and vitriol.