Why a tall deck? Do you want to get some monster cubes out of it Tall deck does pose problems, apart from special timing setups, manifold availability (or using spacers), space is tight around the firewall where the brake booster mounts, it's difficult to take the valve covers off, possibly even needing to notch them depending on how tall & what style.
If you want a 454, get a short deck.
If you want a 454, get a short deck.