AMD has completed it's 7900, 7800 and the 7700 series lineups since march. Their lineups are 7970, 7950, 7870, 7850, 7770 and the 7750. The only missing card in their lineup is it's dual GPU card, the 7990. But PowerColor has made one and sell them.
From nvidia, They haven't completed their 600 series lineup yet, we only have the 690, 680, 670, 660 Ti, 660, 650 and 640. They are planning to get themselves releasing a 650 Ti this month.
We should look forward into the 8000 and the 700 series launch from both AMD and nvidia. Rumors said that it would come in either the beginning or the middle of next year.