Yeah, if you can get them all. But also, anyone and everyone enchants their heirlooms. My daggers at level 40 have windsong, and literally every thing I fight, pops me 56 haste, crit, or both.
And 56 is huuuuge for level 40 that's more than all my gear
- - - Updated - - -
One. You've compared leveling to end game. Two different things. Show me where I can find hard-mode leveling. Please.
Also, see how there it says IMPRESSIONS?