Hi:
Would we be welcome at the Byzantine Catholic church?
Yes, of course.
Is the liturgy the same as in the Greek Orthodox church?
The Divine Liturgy should be basically the same, although following the Slavic uses rather than the Constantinopolitan uses. But I know that some Greek Orthodox parishes abroad are already moving in this direction as well.
Is it also in English or do they use Greek or Russian?
Most Ruthenian parishes will use English with very little Old Slavonic. Melkite parishes will use English possibly with some Greek and Arabic. Ukrainian parishes might go as far as having entire Liturgies in Ukrainian, but they will usually have an English service as well.
In the US, Byzantine Catholic Churches are becoming less and less "ethnic". Whether this is good or bad is not for me to judge, but now English is the most widely use Liturgical language.
At this point I'd like to suggest you consider full communion with the parish you'll be regularly attending. If that would be the Byzantine Catholic parish, this for your wife would only be a matter of paperwork, if any at all. For you, it means being received as a Byzantine Catholic, but you'd no longer be in communion with the Greek Orthodox Church.
From the Catholic perspective there shouldn't be any problem for you to remain Orthodox and still receive the sacraments in a Catholic Liturgy, but I'm pretty sure that the Orthodox Church will have an issue with that.
Being able to understand the Divine Liturgy (English vs. Greek) might not be all that there is to it, but it will certainly help to keep you spiritually well-nurtured. And certainly, being able to fully participate in your parish's life *is* important. It is important for you as well as your wife.
Shalom,
Memo.
Kosmas[/QB]