Canon? Nikon? ...Hasselblad?

For digital Photography (RAW basically), high quality images even at lower light situations, nature, macros & Fashion, what is to be highly-better considered here?! I know from "here & there" Hasselblads are top of the tops and you can basically even ´sense´ when an image has been taken by one of them ( I sure can "feel" it, have worked with one before in a collab), but their pricing is above-all-skies-high, and so anyways, I´d appreciate serious thoughts, the share of experiences & ideas on this subject, because I´ll be purchasing a new camera soon, for my simple Fuji E-550 has almost completely died after some good 4 or 5 years producing everything you guys have seen here, basically.

Resources? Web-sites? Good deals? Personal experiences? Wanna even sell me something decent?
Anything serious & helpful goes, so please let me hear it via here or noting, thanks!!