If possible (have hade experience doing with minimal and max) try two x/y stage mics and pair of close rooms and distant rooms. Double everything (min) quad is best, you can always eliminate later. Last week I mixed a gospel genre, with a minimal setup (the engineer only used one mic quadripled) was very difficult to get it to sound great. Had to use an aux with a 15ms on left and 30ms delay on right to make it sound bigger. I fought it on every song. You will be very happy if you have the churches ambience. GOD LUCK, no pun intended.
You can probably rent 4 mic pres and 4 mics for under a $250. I bet the church would help out. API's and Neve's are usually about $40 a day and those mics or something similar would be $20, If you tell them it is for a church they might even give you a break. It would be well worth it. It would save them money when it comes mix time, and and ask , can you make it bigger?
www.bluethumbproductions.com