First off, Akali was already scheduled for a VGU before this. The update was to try to help her out a bit and give her a bit of outplay potential (the blink with the W) so that she could be played. However, in the process, they also nerfed her damage output heavily in fear of her strength without her being able to be countered by pinks, which broke her legs a bit too much.
Second, none of these problems are new. All of them are the same problems that Akali faced before the assassin update. Now, she can get onto her lane opponent to fight them a bit easier by using the shroud to blink, but that's about all that's better for her. Other than that, her problems are still basically the same, but the nerfs to her damage amplified them to after 6: before she hits level 6, she's lucky to get any farm that isn't under turret in any matchup that isn't against a melee. And they're the same problems Kassadin faces too. And any other melee assassin who doesn't have a gap closer without their ultimates.
Now, how I feel her VGU SHOULD go when it goes:
Q: now a skillshot, longer range, more damage, allow her to dash to the marked target
W: leave it basically as is, it's probably her strongest ability
E: I'm not too sure what to do with this one, though I think it would be better if it fixed another one of her problems: farming without killing her opponent first
R: again, I'm not quite sure. Maybe leave it the same but increase the damage, maybe make it something new, I dunno.