29.97fps vs 23.976fps etal

Hi yas,
I found a movie that was a bit jerky at the 29.97fps setting so i did some testing. The movie was Daredevil and at 23.976 the movie played smooth. But, It also played smooth when converted at 25fps and 30fps. I have only played them on the computer so far and not on the Ipod, which i converted them for.
Other settings were 640 x 480, 640kbps, h264 + aac ipod 5.5G. Not a problem, just strange info to pass on. I think I will start using 30fps from now on and look for any issues with that.
Thanks all, dvdfab rocks!

Thanks, HiVolt. Ting is working on fps issues now and will appreciate the info.