Blog commenting v/s forum posting?
 

which is best ?

Forum posting is Best as far as I am concerned. But you should post relevant matter to the Thread. And your answer should be of good quality. and You should not post one word answers.

Both are great, but forum posting is way easier than getting your comments approved.

Both are great

Both are great, but forum posting is way easier than getting your comments approved.

Both are nice but forum posting is easier than the comments.....:)

blog commenting require more deep knowledge of blog or article ....and in case of forum posting you have to update with these topic.....

Forum posting is best, but for some high PR blog Blog commenting is also worth,

I think forum posting is better then blog commenting

Blog commenting and forum posting both play different roles in the SEO of a site like the blogs with higher page rank will give your site important credit than low page rank

Both are best. But Blog Commenting is more. If Blog Commenting is on high quality blogs.

Blog commenting is best way to get backlinks from actual PR pages.
Forums rarely have internal pr pages.

In my observation blag commenting is really helpful

forum posting is great because you can explore new categories with the help of forum posting.

Forums are faster. And if you are looking for link juice a forum with a "Liked" button is like heaven on earth. :D

I prefer with forum...

I agree, some blog comments can be worth it. Otherwise it is so much faster to do good work in Forums. Most blogs you come across have Nofollow backlinks and usually don't even like backlinks if they are public and require no registration. And i don't want to spend several minutes registering to make a comment that could possibly be removed. So I mostly hang in the forums.
If i see a blog with a high PR and dofollow links in the comments, sure I'll register :D :D