This new water splash ontro is was created fully in AE CS4 with Trapcode Particular effect. And the Splash depends from your logo.
You need to have a plug-in Trapcode Particular.
There is 2 versions of project: with OpticalFlares and with prerendered OpticalFlares.

Sound FX included.
Video tutorial is included.

In preview used music:
From: http://audiojungle.net
Title: Water Splash Logo 2
Author: Cyrilll_Luzin
You can get it here: http://audiojungle.net/item/water-splash-logo-2/1580543