I don't see any future in altcoins, bitcoin is shown to be the universal currency? Why introduce more coins?

Competition is good, but of course too many can also saturate the market and devalue coins.

is there are any good new coin, that i can mining well?

Depends what you define as 'good'? There's a shitload of alt coins to choose from: http://www.wheretomine.com/

Thank you for that link, just bookmarked as I was looking for a good resource like this

No problem. Coinmarketcap is also a good one as it lists them by value: http://coinmarketcap.com/