Very similar to a 200G, but with a bit more power and a bit less feel. Same launch angle and amazing precision. 400i has a higher launch angle and a bit less control than either, and a stiffer feel with the XAS fibres (whatever they are). It feels crisp for an IMF frame. There could be a little IMF problem with the 300i in that in order to optimise control you probably need to be near the maximum recommended tension of 55lbs. I am currently demoing a few polys in mine, starting with Luxilon Element Forest Green, which looks great and so far performs quite nicely at 52lbs, but I may try the next poly at 54lbs, which sounds high but there are no comfort problems generally with IMF sticks. The other benefit of the 300i is they all seem to come with full-length vinyl covers that last forever in great condition (at least 35 years anyway).