Care to tell me any more about them? Pardon me if I'm a little sceptic about what's on the link. Are they any good (in your opinion)?
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You will probably need both expansions for the better modules, certainly I have both and so my selection will encompass this fact.
Adam Miller is technically very, very sound in his module design. He has many, I would start at the beginning Dreamcatcher 1 and work through until the last one (url=http://nwvault.ign.com/View.php?view=Modules.Detail&id=3699]Demon[/url], which I didn't like, per se, but I was amazed at the mechanical aptitude he showed in creating it). The entire package can be downloaded here, including all the additional hakpacks, sounds and movies (150MB).
Rick Burton I think has been swallowed up into Bioware after the truly excellent modules he has created. I particularly liked his Paladin trilogy (that he has only finished the first two modules for ): so much so that I had never played a Paladin before (didn't like the alignment restriction) but now like them enough to play often.
SubBassman (who sometimes lurks on these fora) has made an enormous campaign module, over 80 hours worth, called Tortured Hearts 1. It took him about three years of continual development, in his own time, and it is pretty comprehensive; diurnal and nocturnal patterns for citizens of the world, and gold encumberance (two pounds per thousand GP) to name just two.
Again, these all listed are amazing for the new ideas (feats used in conversation, etc) and unique features (SubBassman even has a clock you can win as a reward, so that you can better manage your trips to shops, which close at night, etc.)
Basically read the Hall of Fame comments. There are a gazillion modules being created every day, and only the better ones even get a look in, so most of the stuff there is pretty good. The worst I have come across was just a little too buggy for me to enjoy (A Hunt Through the Dark), but they all had something to give.
HTH
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Many thanks.