Mega Menus/Menus for people who have long/lots of categories

[jeaniulani]

So I have lots of categories that are important and relevant to my site content and I already excluded and/or recategorized many of them so that I didn't have so many menu buttons and drop down menus that extend my page beyond the footer...

I saw a wordpress blog that has a mega menu or something of the sort where under each category/menu tab you choose, there's a variety of selections and instead of "dropping" down it makes a big box that goes to the side and down some but not enough to go beyond the end of the page.

I researched and the only thing I can come up with is that such a menu is considered a "mega" menu...how do I go about implementing one on my wordpress with my Magazine theme. I tried suckerfish but that's no better than the drop down I already got with my magazine theme.

Any advice? Am I reaching for the stars here? I want to make sure it would work with my theme and if you guys know how and where to find one that does,please let me know!