[TxMt] Subversion and Merging?

I know this doesn't belong here, but Im looking for some quick information:

I have the following structure:

branches/ tags/ trunk/

In my repository. Inside trunk is version 1 of our application. I want to start on 1.1 which is actually a major rewrite of almost everything.

So I create a 1.1 branch. and remove all files in the branch

Now, when I'm finished with the 1.1 branch, how do I merge it into trunk? can/do I just remove everything in trunk and merge the branch stuff down? The entire file structure is changing for version 1.1

Any insight would be appreciated :)

Eric Coleman