I do not like his art in the IDW TF comics, but Ramondelli demonstrates a strong understanding of the relationship between lighting and shading, backed by traditional core skills such as the use of pencil to denote texture, as well as the ability to compose images that draw the eyes to desired "reads".
If you check out his pencil drawings, hopefully you will see what I mean:
For some reason, I feel the quality of his style is lost when placed in the TF comics. I can't quite put my finger on it, but I believe it's definitely not due to his skills as an artist.
That said, although I admire his skills and enjoy his artwork, my favourite artist when it comes to Transformers still has to be Don Figueroa (http://donfig.deviantart.com/gallery/).
Those Sharkticons look awesome. I like the look of some of his art.