60-ish cc saws really are quite versatile... whichever brand suits you. Love my 357 and won't be "trading up" to a 562 any time soon.
I haven't run the 6100 but have a share of time running a 6400... I know it's probably not considered to be in the same class as the others but I'm impressed with the pulling power that just doesn't quit. It reminds me of my BG deleted 359 but with more oomph.
Had a conversation with my local Husky/Stihl dealer the other day (GKS) about Dolmar and how it seems to me that they are a great quality saw that hardly anyone knows about. They used to sell Dolmar and he agreed with me on that point.. He said the trouble they had with Dolmar was that they are very difficult to work with on warrantee issues, his words, not mine... From what he said, they were very fussy and turned down alot of warrantee claims that Husky and Stihl would have covered without question. GKS has been in business for a good many years and I believe they have a handle on what they are doing... Just makes me wonder if other dealers who carried Dolmar had the same issue and if Dolmar kind of shot themselves in the foot??