I'm in my 30's too, but I sound like such an old fogie about the "modern praise & worship" thing! LOL.
There's just something about affording a little ceremony and tradition to something so sacred that I think adds a little something to it.
To me, modern praise and worship does to the sacredness of prayer and worship what having Thanksgiving dinner on TV trays would do to the sacredness of "the" family meal of the year.
I believe there is room for the modern stuff in prayer meetings (such as on Wed. night) or Sunday School, but the Sunday Service itself should be traditional.
I also agree that the church could make room for more modern music at another time. I suggested to the church council that they should at least offer a choice. We have two Sunday services, one could be "contemporary" and one "traditional," if they have to.