With little bit of modifications to your Blogger Beta template you can easily implement expandable post summaries in your blog main page. Expandable posts gives very professional and elegant look to your blog. You can hide most of the detailed content from main page and display them when the page of the post is opened.
If you observer my blog, voting widgets are displayed on my post links and not in my main page. Also, most of the images in my posts are shown only in the actual post links only. Moving bandwidth intensive content to posts' pages loads your main page very fast.
Let us see the steps to be followed for modifying the template to implement this