Creating a Logo using Glassy Transparent Text using Adobe Illustrator
Create a glassy text effect with bubbles around it using illustrator.. This can also be used as a logo.

Glassy Orbs
If you think Illustrator has the same look and feel as Photoshop, you couldn't be more wrong. After walking through this tutorial, you'll not only know how to create those nice glass orbs, but you'll also have learned how to create gradients with opacity, which is not a standard feature in Illustrator.

Glass Text Logo with Bubbles
Creating a Logo by making awesome looking Glassy Transparent Text, with floating bubbles in the background. This tutorial also contains a little about using and creating symbols.