Best Bridge Camera for macro/insect photography?

Have been really grateful for all the constructive views I've received.  What I may do is sort out a flash for my Nikon D7000 as I really like the camera before I go down the road of m43's, though I do have a Nikon D300 which I don't use much - getting rid of that might allay some of the cost of an m43! Whatever, am going to read and learn a bit more and consider all the info I've received here.

Cheers guys

Siw