How much would it be to change or replace a timing belt on a 90 prelude si?

I know preludes are known for busting alot of belts and could screw the engine. My mechanic told me it would be around 450 but that seems really high. please help.How much would it be to change or replace a timing belt on a 90 prelude si?Your mechanic is in the ball park, make sure you get at least a one year 12,000 mile warranty, if not take it to a place that does offer that.How much would it be to change or replace a timing belt on a 90 prelude si?i was thinking 350 to 400..but i dont know price of belt...450 is not crazy bad...