You might find the following websites useful:

www.iomfhs.im/lawsons/LawsonBMD/Main_Site_index.html

www.isle-of-man.com/manxnotebook/

for BMD, wills and much more.

You can search the IGI online at this address:

www.familysearch.org/eng/search/frameset_search.asp?PAGE=igi/search_IGI.asp&clear_form=true