If you find yourself not liking your established Gmail address — but don't want to get rid of it — making an alias might be a good idea.
Also read New Hacker Attack Spreading Fast: Can See Your Screen Through HDMI Signals Backup ... or an external hard drive. Access Your Old Gmail Account: Sign in to your current Gmail account.
With the new Gmail design, you'll find some user interface upgrades, some visual changes, and a few other additions - those who used the old Gmail will still find the new version recognizable ...