DVD Burning software advice needed

Until recently I've been using Nero StartSmart to burn avi, wma and divx files onto DVD's for watching on a normal DVD player, I've just had a problem with my PC and ended up losing this program and now I can no longer find the installation CD so have lost it. Just wondered what programs you guys would recommend for converting and burning these files onto DVD's? I don't mind spending a bit of money so i'm not necessarily after a free program.

I found the ability to create menu's, chapters etc very useful on Nero so preferably this would be needed on any software I do purchase.
Cheers in advance for any advice.

try virtualdub --link (http://virtualdub.sourceforge.net/)

Nero or Roxio - Whatever you are used to is best.
Would like to be able to copy DVD's but I don't know what is good there.

I dnt knw much but I'm using Nero...I'v heard a lot about this software called Alcohol 120%...