On the home page of EQ2Interface there is a box on the left hand side menu that is titled "Logged in"; click on the link in that menu called "My Download Stats"; from there select "Download History" and that will list all the mods you have downloaded from here.
Then it is a case of going through your download list and redownloading the ones you want this time round.
Alternatively spend a couple of minutes browsing the download section, you might even find some newer mods you like better. Also you would stand a greater chance of having LU20 compatable mods if you did it this way
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Link to the download history page, not sure if it will work, you will certainly have to be logged in
http://www.eq2interface.com/download...=showdlhistory