Unfortunately we don't have means of determining which dropshipper is the most recommended.
I would suggest using our Link hidden: Login to view to find a profitable niche and once you've found one you can search for a suitable dropshipper. The Research Lab also has a list of recommended suppliers for the product you are researching about.
Remember that it is best to study your market before investing on anything and it's not wise to just jump the gun just because everybody else is doing so.
If you like, you can refer to our Monday Market blogs (for product as well as supplier suggestions), where we research and investigate a new niche each week.
Also, I'm also not sure how openly other members will readily share their dropshippers on the forum.
Hope this helps a bit. All the best!