Hi David,
You ask, "Do Christians Need Buddhist Meditation Techniques . . .?"
Simple answer: NO! In no way!
Ryokurin tells us, "Buddhism is perfectly compatible with Christianity contrary to belief."
Totally and completely untrue. Buddhism is the antithesis of Christianity. Buddhist are closer to atheists than to Christians -- for most Buddhist do not believe in the existence of God. Virtually everything about Buddhism is the opposite of Christianity.
My suggestion: If anyone needs a meditation technique -- get your Bible, find a quiet place to sit, and study what God has written there. If one is not a believer and needs help in understanding the Bible; find a Christian Friend and ask for his/her help in a one-on-one study. This, I assure you, will be much more productive that any Eastern Meditation Technique.
God bless, have a wonderful, blessed day,
Bill