When I want to point people to the current list of
isses that need testing I want have a short url for email.

Right now the url to get a list of all bugs that need
testing

http://.../issues/issue?:columns=id,activity,title,assignedto,topic,status&:sort=-activity&:group=target&:filter=status&status=6

That's much too long to stick in an email. I wish that
I could name my queries so a like like this:

http://.../issues/queries/to-be-tested

Would generate the same page.

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user_id=6405

Neat idea :) 

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Another thing that is close to this issue:

Allow the user to set the title on the query.  So the title
tag would show what query was run.  

I have tons of tabs open, it would be nice to see "To Be
Tested" at the first of the tab title, so I can navigate
thru all the tabs faster.

This isn't a good solution to the problem described here, but I thought I'd mention it anyway for posterity. If you give a query a name and save it, the roundup core assigns it a database ID. You can then go to http://tracker/queryN to go to that query. You'll still need to click submit on the form to see the results but all the fields will be filled in for you. Unfortunately, I don't think there is an easy way to find out what N is for any given query. If you go to http://tracker/query it will you show you ALL queries (and their database IDs) so you can look through that list and find out which one is yours.