You already did the Shadow Hawk at least, and early models of that REALLY gain in AS. Like I said earlier, anything where an AC/5 is all or most of your long-range firepower gains immensely in Alpha Strike, with most of them becoming very effective skirmishers. Clint, Shadow Hawk, Hermes II, Sentinel...you can't afford to ignore any of them anymore, and because so many are small and cheap it's really easy to field them in numbers, which gets really scary really fast.
Hell...Vedettes and Scorpions. When was the last time you saw a lance of those scare off anything under 60 tons? In AS, if you don't address them quickly, they'll tear you apart faster than a school of piranha in a cartoon.