I would agree that 1.021 is a little high for an IIPA. I also like mine lower, they should be a show-case for hops 1.5 lbs of crystal malt is kinda high. Of course that is just my opinion, if you want a lot of malt sweetness to balance, then go for it.
One thing I will say that you need to add are dry-hops. They really give you that hop aroma and up-front flavor that style is supposed to have. I've gone anywhere between 3 and 8 oz in a IIPA and love to blend Columbus, Simcoe, Amarillo, and chinook about 40%, 25%, 20%, 15% respectively.