My quick views on the mentioned topics:

- Yes Kira is over powered. Nothing can touch him, and he "doesn't want to fight"
- You cannot compare Gundams from different series aside from their designs. Remember in Gundam Wing the name "Gundam" is derived from the almost indestructable alloy used to make the Gundams. It's sort of unfair to compare Freedom and Zero as their specs are totally from different worlds (or universe)
- Destroying colonies in a single shot makes the Super weapons like Cyclops or Genesis kinda redundant right?
- Question: So who is the main character in GSD now? Some say Shinn some say Kira, but to me the person being focused on most would be Athrun + Cagali.