FH Alternatives?

For Years I've used FH to make programs for our community theatre...programs
(booklets) in landscape mode, two columns per page, duplex printing.
Sometimes four pages printed duplex which makes a nice 16 page program
folded and stapled with jpgs and/or png files imported from Fireworks. It
takes a bit of planning since FH doesn't do pages imposition. The finished
program prints on a laser printer exactly as it appears on the
screen...something I've never been able to accomplish using Word. I've tried
using Cocobooklet and Word, but the margins are always wonky.FH rules when
it comes to making booklets with the exception of lacking page imposition.

We really can't afford a printing service, so a good copier plus some
volunteer folding and stapling have allowed us to produce some very nice
programs.

If it becomes necessary to upgrade to an Adobe product, and given our
primary need for booklet creation, which product will work best for us?
PageMaker? InDesign?

Quark and it's ilk seems overkill and very pricy.

Word would work, but it's margins are always slightly off-center from what
it shows on the screen. FH, on the contrary, has no problem printing exactly
what's on the screen and I never have to play games compensating for margin
offsets. Any suggestions would be helpful.

Thanks,

Joe Newbury