I know the collapse of the Soviet Union came as a surprise to intelligence agencies, is there any undercurrent in China about wanting to eliminate the communist party?

It's possible that the CCP remains in power for hundreds of years. To quote George Kennan's "The Sources of Soviet Conduct"

This means that we are going to continue for a long time to find the Russians difficult to deal with. It does not mean that they should be considered as embarked upon a do-or-die program to overthrow our society by a given date.

This means that we are going to continue for a long time to find the Chinese difficult to deal with. It does not mean that they should be considered as embarked upon a do-or-die program to overthrow our society by a given date.

In these circumstances it is clear that the main element of any United States policy toward the Soviet Union must be that of a long-term, patient but firm and vigilant containment of Russian expansive tendencies.

In these circumstances it is clear that the main element of any United States policy toward the People's Republic of China must be that of a long-term, patient but firm and vigilant containment of Chinese expansive tendencies.