epiphone les paul gibson

American Standard Strat, epiphone les paul custom, or gibson les paul standard for more money?
right now i have an epiphone les paul standard plus top, i got it for $550 about a year ago, and im looking to maybe get a second guitar, one for gigs and stuff, and one for practicing.i play mostly classic rock from the 70′s, and a little bit of modern, (chili peppers), so i was just wondering what kind of guitar would be best.
I love the American Standard Strat. It is a well built guitar and I like the way it sounds and plays better than the Gibson Les Paul. However, that is just my preference. The Gibson is a great guitar also. If you are used to the Epiphone, you may like the Gibson better.
Epiphone Les Paul VS. Gibson Les Paul