About 6 weeks ago, I was starting to think about layer feed as my girls are near laying age. I had heard about how pellets are less wasteful so I thought about trying to convert them over from crumbles to pellets before I purchased any layer feed, so I knew if I should stick to crumbles or get the new pellets.
So I went to my feed store and purchased a bag of "flock raiser" pellets. I came home and filled one half of the feeder with pellets and the other their crumbles chick starter. I was really surprised on how quickly they took to the pellets and I was convinced that when I switched over to layer feed, I was going with the pellets. These pellets were so much less wastefull also.
They ate the pellets with gusto for about 2 weeks and then all of a sudden went back to their crumbles. Now that is not to say that they won't still pick up a few pellets and eat them still, but the pellets are not moving very quickly these days. I am a firm believer that eating should be enjoyable and if they they love to wolf down their crumbles than that is a good thing.
So I recently purchased layer feed and got the crumbles. They eat the crumbles like they are going out of style and that is what I like to see.
So my advise to you is, do the same thing. Go ahead offer the pellets to them and if you have any crumbles left or can get another bag, offer both and watch them for a month and see which they prefer. They may enjoy the pellets more than the crumbles or visa versa, but if you can get them adjusted to pellets there is a ton less waste. My girls are hard core crumbles eaters.
Good luck!