I haven't had this beer but a couple of things jump out. First...I don't think you necessarily need a 90 minute boil just get the hop presence you want. The choice of Chinook and CTZ are good for the style, though. Amarillo is definitely a good choice. The brewery also lists Citra, Cascade, Tangier, Nectaron, though personally, I'd never argue with Centennial and Simcoe in a west coast heavy hitter. I have to assume that you're leaving all your flame-out additions in for a cool-down/whirlpool treatment because that's where the big, complex hop interactions are going to come from.
As for grain bill...I'd go to a Pale Ale malt right off the bat rather than 2-row. None of your other malts are a big enough percentage to matter much but there's no reason for any sort of sugar in a beer like this. I'd be looking for a lot of malt presence so sugar is just going to lighten the body. Just add more base malt. If, for some reason you're limited in terms of how much you can mash, use some malt extract. I do understand that this beer is relatively light and well-attenuated for the style so you could mash at a lower temp and achieve that.
All that being said, if you brewed this beer just as you have it, you'd probably be pretty pleased with the result. Blind Pig has a higher ABV and substantially higher IBUs than yours but you'd be in a good position to choose whether to make changes to be more in line with that particular beer.
