Review: Samsung Vibrant
Browser
The Samsung Vibrant relies on the stock Android browser for its main mobile web browsing tool. You can use your finger to navigate around web pages directly on the screen, and do things such as pinch-to-zoom or double-tap to zoom in and out.
As far as performance goes, I had a few data slowdowns in areas with poor coverage, but it performed well enough most of the time.
Customize
Here's one area where the Vibrant really falls flat. Most Android devices I've used allow users to customize the heck out of them. There's no customizing with TouchWiz 3.0. Sure, you can change the wallpapers (including live ones) , and the ringers, and the alerts and a number of deep-down settings. You can delete unused home screens. You can rearrange the order of apps in the main menu, and of course populate the seven home screens with widgets.
But you can't change the theme. You can't change the basic colors or appearance of the main menu icons. If you don't like the way TouchWiz 3.0 looks, there's nothing you can do about it.