Thanks to everyone who responded with information about ticketing
software available for museums.  I have an update of the information
I found, if anyone else might be interested.

Vista by 2b Technology
1-800-296-8464
Reservation, Scheduling, & Admissions System

PASS by Select Ticketing Systems
1-800-944-PASS
Admissions, special event ticketing, group sales, and more

Ticket Reservation System by Paciolan Systems
310-426-7884
Group scheduling, facility scheduling, membership, fund development,
admissions, and more

Lasergate Systems Inc.
813-725-0882
Specialize in ticketing (admissions, group sales, season tickets,
etc.)

TicketMaker Professional by TicketStop, Inc.
1-800-961-6111
Multi-event admission and ticketing system

It seems that ticketing systems are available with a huge range of
functions and costs.  Wish us luck in our search for the perfect
system!

Kate Desulis
The Morton Arboretum
Lisle, IL 60532
630-719-5700
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