So does iOS 4.1 really make a difference for 3G users who are suffering from sluggish response time since upgrading to 4.0?  According to PCMag.com and LifeHacker.com … a little.

Personally, I have noticed an improvement in performance, however, I attribute this to recent suggestions like Turning off Spotlight Search,

Here is a video that illustrates a performance test between 4.0 and 4.1.