if your test scores match your 3.9 UW GPA, you wont have any trouble getting generous merit aid offers from privates. A few to look at for CS, Santa Clara, Univ of San Diego and Loyola Marymount. Net, each will cost substantially less than an OOS UC.
Hawaii participates in WUE so, CPP Chico, UNR, Boise State, Sac, U of Colorado all have good biz programs and will give you manageable tuition.