Hey there need advice from someone who immigrated from canada to the Uk on a fiance visa?

im quaking in my boots...i live in canada and am applying to immigrate to the uk.on a fiance visa...we have registered the wedding with the registrars ofice already,..he is employed, has a residence..i stayed with him for 6 mos and have known him 2 yrs...what i want to know is what are they going to look at concerning me(ie credit rating, employability etc) and what are they going to look at or dig into concerning him...ive heard that they are more concerned that the marriage is legit and that he can support me financially, but im not sure...its a really nerve racking process..alot of details would be so much appreciated.thanx