Here Comes Sparky with a full review of my experience:
Liked:
1. Detail on the tracks is a big step over GT5 (Dat Autumn Ring

)
2. Cars look better and are more colourful IMO. Overall I see improvement over GT5
3. Silverstone (First time on this track ever in anywhere and I already love all of it's layouts).
4. The New physics. I feel the Z34 (The car I've used the most) easier to drive than in GT5 for some awkward reason on Sports Hards. I test every car I buy from the NCD in bone stock form on the Top Gear Track on Sports Hards with nothing touched at all. The Bodyroll of the cars is much more apparent than ever before, I first noticed it in my first race with the Leaf. A tyre model that shows that more than 2 tyres are taking the load during a turn even on an FF car. Suspension also contributes to making the machine feel alive 👍
5. The accessibility of the GT Academy events. I feel like I'm competing with the people on the leaderboards, not the Gold Time and I like that.
6. The U.I. is a gigantic improvement over GT5. The New start button menu looks useful judging by it's options. Everything is quick, immediate and responsive.
7. Dat Loading Screen
8. Meaty despite being a Demo/Competition Hybrid.
9. The Rendering engine shows it's worth.
Disliked

:
1. Shadows have improved but in this demo they sometimes flicker around and look a little iffy. Overall they're better but this must improve further.
2. Framerate Drops, during races and trials it happens rarely.
3. Some slow stuff.
4. To quote Earth: Nissan Nissan Nissan Nissan
5. I wanted to drive more than just Nissans (See #4).
6. Wanted Willow Springs and Matterhorn in it
