Module development and code questions

I have subscribed users, or they have subscribed themselves and already used Simplenews successfully to send the newsletter.

Now, however, I have created a second newsletter. I have subscribed a list through "import subscribers", but after i have sent a test newsletter to the test address I noticed that there are NO subscribers assigned any more. Strange.

I noticed this problem "went away" when I deleted this newsletter altogether and created a new one. A drupal developer suggested that the names of the newsletters were too similar and a mix up was occurring?

Hi, there, Drupallers.

I'm trying to create a sort of per-piece review module in order to make it easier for artists to review stuff. What it means, though, is that I need to be able to create a node using information in a form that I made, without reloading a page.

Is there a tutorial for that sort of thing? I know nothing whatsoever about JavaScript/Ajax and so I don't know where to begin. Any pointers?

Thanks,
Rory

For a shippable product, is there any way with the 3.0 version of the e-commerce module to offer bulk discounts?

Is there any way I can have the option for users when registering to sign up for newsletters that I am sending out through aweber (http://www.aweber.com/)?

Thanks,
-Chris

After some searching, I am unable to find how to actually create users programatically. I have poked around a bit in the users.module code, but was tripped up when I didn't know what values to pass to "user_save" array parameter to create a user even with a missing "uid" to have it make (and return) the new user -- the .

I have been experiencing a problem using the Views and Categories modules for Drupal. Basically I have a simple blog set up which shows articles that fall under the Blog Vocabulary. However if I assign two different terms in that vocabulary to one node then the node is shown two times in the page that is created by the View. Any ideas?