I recorded a BIG pipe organ with some borrowed Earthworks TC30Ks boomed way up, about 4-5 feet away from the pipes. If I remember properly, I was somewhat influenced by an article a LONG time ago (mid-90s?), I think in EM, relating recording pipe organs with earthworks omnis.
Frigging brilliant. Best organ sound I ever got. Ever.
And while Earthworks is pretty up there in price, maybe you can try some other small omni condensers up on those pipes, say Audix, or maybe even Behringer on the lower end of the price spectrum.