Dear John and Peter
Thank you for your replies.
Having worship in the language of the indigenous country enables the lay person to participate, understand and learn more easily which must be positive.
It is nice to know that there are no substantial doctrinal differences as it would only make my study of the differences between R.C. and Orthodoxy harder.
The only negative that I can see is that when there is a "common" language such as Latin before the changes in the R.C Church was that it enabled understanding of the Mass in any Catholic country.
Many Catholics of my acquaintance still miss the "Old Style" and travel considerable distances for the mass in Latin.
I never knew the mass in Latin so cannot speak from personal experience.
However for the lay person(that includes me) understanding is paramount
In Gods'Love John Francis