It's always Castellan weekend, darn it!!!! May 30- June 1--TULSA, OKLAHOMA: Show; Gem Faire; Expo Square/Exchange Center 1, 4145 E. 21st St.; Fri. 12-7, Sat. 10-7, Sun. 10-5; $5 weekend pass; contact Yooy Nelson, (503) 252-8300; e-mail: info at gemfaire.com; Web site: www.gemfaire.com