I actually didn't guess that was Ventress at all I thought it was just a random bounty hunter character. I didn't see a promo with her in it so I wasn't thinking of her.
I found the hand to hand fight a little ridiculous, personally. Too many instances of a Clone Trooper aiming a gun right at them and not firing, just watching while they take out his compatriots. Why not just set the gun to stun and fire into the crowd? Because the plot didn't dictate that yet? They were using stun last episode.
I was also disappointed they set up Plo Koon looking for Ashoka, but they never had a "Fugitive" scene together.