There may be a few rough edges or not so perfect looking site design on the transfer tool.
It will not offer video and audio posts, due to cost reasons - maybe in future, but for now you will need to preserve video and audio content yourself in some other place.
It is a great sharing platform muck like Tumblr.
The devs are looking at ways to preserve attribution of reblogs back to the original Tumblr poster, if that person also moves to the new site.
Description: If you are under the age of 21 you MUST leave immediately. If your Tumblr blog has a mixture of original content and reblogs, or all reblogs, all of that can be copied over to the new site.