I'm halfway through watching G.I. Joe during my commute. The effects are pretty good when viewed on an iPod Touch screen, to the point where I may rent the DVD to see things on a 40 inch screen instead of a 4 inch one.
Assuming these are about the 3.5" figures, not the original series, I know making a compelling movie based on a 25 year old toy line with a backstory fleshed out from back-of-blisterpack to comics and Saturday morning cartoons is a tall order, so I'm kind of impressed that it's not utter trash from start-to-finish.
That said, there are some things which still irk me:
Was Snake-Eyes always caucasian? I get it that they're orphans from mixed backgrounds, but Stormshadow and Snake-Eyes' origin is in Japan, while the household speaks Chinese, they're practicing Chinese kung-fu under a Chinese instructor, dressed as Japanese ninjas. The grown-up Stormshadow is Korean, sure whatevs. I know this is like arguing cartoon physics, and theoretically all of this can be hand-waved away, but it reeks of Generic Asian Backstory for Gwailo Martial Artist.
That Wayans Brother playing the same wiseass-and-lecherous-sidekick to the story's stoic-but-charismatic-caucasian that Wayans played in Dungeons and Dragons.
The movie at least answers some questions about Inception. With Joseph Gordon-Levitt's brief appearance, we can be certain the entirety of Inception takes place inside his head while the character is in high-tech recovery ICU somewhere. Joseph Gordon-Levitt is sadly wasted in this, with maybe one spoken line and 30 seconds of screen time. How sad.
Anywho, it's fun. The action sequences are exciting, and it's nice to see stuff not using Bourne shakycam.