Recently I acquired a Galaxy Tab, and found that the stock Samsung email app is much more screen real-estate friendly than the GMail app.
Now to get push email working on the Samsung app, you need to configure your email accounts using the Microsoft Activesync profile.
For gmail, the settings are as follows:
Email or account: Google\email@Gmail.com
For hotmail or live mail, the settings are as follows:
Email or account: email@example.com