Hi. Just for reference the GS is my 3rd robotised manual car.
The Aston Vantage is a true brute. You have do to the clutch learning cycle on a weekly basis (I had a 4.3) and it's not easy to reverse at all, especially if you are on full lock with the PAS pump taking power and messing with the idle speed. It's all jerks and stops, especially when cold.
The Ferrari 360 was much better after i had the clutch set up properly at Furlonger, you can adjust the plate position which means that you can have it tuned to some extend.
The GS is easy to use. It really is. In my very limited marque experience (I have only driven 3 different GS'), they seem to vary a bit. Fresher clutches seem better and a recent software update seems to make a difference too. The biggest downside IMHO is the relatively slow up shift (even in sport mode). it's no where near as fast as a late model 360 and there isn't much one can do about that because it's an EPROM mod I think (different shift strategy for very fast shifts because you want to cut the spark for a few milliseconds, to reduce the input shaft torque to give the syncro hubs a chance to match the speeds). This was possible on the 360 (you could just use a Stradale TCU) but on the GS no such racy version is available (??).
As fellow forumites have said in the past, you do get used to the lazy up shift. Just remember to lift you foot a tiny bit as you shift (it's just a smidgin after actually) other wise you'll slip the clutch.
The faster and cleaner you can make the shift - the longer the clutch will last. It's the slipping during shifts and taking off that kills them. Oh and remember to pop the car into 'N' if you are stopped for more than a couple of seconds.
Keep charging !!