Based on Damon Runyan's tales of the 1930s New York underworld, "Guys & Dolls" is all fun in this high-stepping story of "Mission Dolls" and leggy nightclub dancers mingling with gritty, street-wise gamblers. A portion of the Oct. 16 performance will benefit the Oregon Jewish Museum. Tickets purchased from the museum are $54 general admission and $80 for preferred-seating patrons. To purchase tickets, call Friderike Heuer at 503-266-3600 or send a check in the appropriate amount to Oregon Jewish Museum, 310 NW Davis St. Call for time. Gerding Theater at the Armory, 128 NW 11th.