Yeah, with your power level and knowing in the future that you will prolly do a built block and up the boost then I would drop it to 3.55s. You will still light them through 2nd gear but it will be much more usable on the street and cruise better at speed.
Under 300 rwhp I would do 4.10s, 300-420ish I would get 3.73s and over 420 I would do 3.55s.
My 03 with its 3.55s was balenced perfectly for its power level.
Now if it was gonna spend alot of time on the drag strip then 3.73s might be the better option but I imagine its more of a street toy for you.