Difficult part is designing the styles. Once your style is ready, simple apply the style to your logo and there you go.

First you should design your style.

Creating A Style:

Open a new document in Photoshop. In a new layer, Draw some text.

Open Layer properties. Stylize your layer as you wish. I made somehting like this:

I applied Stroke - 5, Outside, White and Gradient Overlay.

Once you are done with style, Click the 'New Style' button on this Layer Style Dialog. Give a name for the Style. Once you save it, it will be displayed under 'Styles' tab of Photoshop.

As you can see, our style is part of Photoshop now. This is all it makes to create your own style.

Once you are done with it, Create your logo Text in a new Layer and apply this Layer Style to it. Its as simple as that.

Now there are numerous styles available online like:

Go ahead and create your own WEB2.0 logos....