Wondering which mobile Android browser is the best alternative to the standard Android browser? Well PC World have put 4 third party browsers to the test for you, Skyfire 2.0, Dolphin HD, Opera Mini, and Mozilla Fennec (also known as Firefox Mobile).
With regards an overall winner the decision is a little more complex and really depends on your exact requirements. i.e if Flash is high on your list then Skyfire appears to be an obvious answer.
To answer your questions in full, details of the mobile Android browser tests are on the PC worldwebsite.