What do you like best?
Reference Manager (now Endnote) offers 30 days free trial includes desktop and web access. I can also run it on either Mac or Windows.
What do you dislike?
Reference Manager has different pricing packages for different country zones which may be a good idea. However, in general, I would prefer the different packages of different academic status such as students, academic institutions...
Recommendations to others considering the product
As long as we need to integrate with Microsoft Word to cite and write the research paper, I would highly suggest using the tool for the future convenience.
What business problems are you solving with the product? What benefits have you realized?
I used it because I simply wanted to write my research paper, also to consider which tools are best.