I agree with 99% of what hugheshilton just said. I haven't thrown all the variations of Destroyers, but my beat up flat star and my domey Gstar are nearly identical stability. The Gstar always had more glide and the star gets there on speed (I'll throw the Gstar in open shots and star for lower ceiling, but pretty much interchangeable). They're within 10' of each other in distance all the time, I'd say 80% of the time on a crush it's the Gstar that is a bit further out.
I'd go with domey Gstar at first, it will be a ride to the right then a consistent fade. If you torque it like crazy and have 375'+ power on it, it'll go right the whole way. I've thrown mine for a year and a half, it's still the longest disc in my bag, but it will turn into a roller on me if I really really torque it by accident. But it should be fine, like -1/1.5 flight now. It was -0.5/2.5 when brand new, but in a mellow and workable way.
Odds are if you get a star it will be very beefy and you won't enjoy it initially as your only Destroyer. My advice is get a domey Gstar, love it, and if you want a more windy day or hyzer bomb Destroyer get a star too. It'll work in alongside the Gstar and then you'll have that in the perfect wear eventually with your bomber Gstar Destroyer beside it.
A fresh OS star and a new Gstar Destroyer probably have 75' distance gap for me, not really even the same disc.