I love reach - finally an advantage to being bigger than everybody else that was lacking in 1E and 2E. There should be consequences if you try to rush up & attack a 12 foot tall giant - and, that is, the giant gets a poke at you before you can get in your blow.
Then what penalty is being tripped?– Standing up no longer provokes AoOs.
The tripped target is still prone, suffer prone penalties.Then what penalty is being tripped?
Then what penalty is being tripped?
The tripped target is still prone, suffer prone penalties.
The tripped target must still use up a move action to stand up to end being prone.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.