In the long run, partial Feeds are not gonna bring you more visitors. Unless you have the highest quality, ultra-unique content, people are not come back over and over.From the point of view of the reader, the next quality information source is just a click away, why bother subscribing to a partial feed, when (s)he can get the same from a blog with full feed?
Though there are ways to completely shift your blogger blog to wordpress and automatically redirect visitors to the new domain, I would say that you keep the old blogger blog intact and consider the new blog as a continuation of the old one. Why?
If you have a simile on your face admiring the irony of this popular joke (the title), you never realized that it’s not a joke at all.
Many bloggers neglect the importance of a unique theme. They adopt one of the free themes available without even editing the basics. And they copy the designs of others without realizing that they are ruining their own brand. Why should you have a premium theme?
Blogger, Do Something to the Comment Boxes
Just for a comparison (in case you are a google employee), wordpress has a comment box right below the post. Once someone comments on a wordpress, it saves your information as cookies and fetches that when he returns the next time