question on g3, im am almost about to purchase i just have a few last questions

1. how well does the panaramic picture taking of ur flying site work.
2. are the planes fairly relistic (compared to acutally flying them)
3. how "beefy of a computer do u need"
4. how much did d3 help u if u have it.

also based from the scale 1-10 (10 being the best) what would u rate.