Yeah, I noticed they didn't use "glass" for the cockpit. IMHO the set's only flaw, but then the less special bricks they introduce in a set, the better, so it balances out. Oh, and also, it balances out because it's the mummy strawberry floating ultimate Star Wars toy.
Although those clips that are holding the cockpit's poles were introduced as the arms of the Episode 1 robots
At least that's the first time I remember seeing them.
Same for the dark gray "cannon" thing that's level with Han's head, pointing away from him. They were first used as blasters for the first Star Wars starships, like the X-Wing and Snowspeeder.