The others can take their little tiff into PM or there will be trouble.
Back on topic.
Any DVDwriter will write CD's also.
Buying a second hand CD writer is an invitation for trouble.
Recommended is any Nero version from Version 6 or up.
Nero 5 is virtually impossible to get nowadays anyway.
If you buy the DVDwriter new in a retail box (not OEM), it will come with some software, which should be sufficient for general purposes.
However, as mentioned above, you can also get free software to do other things like copy DVD movies.
All DVDwriters at 16x or below use the same, older type, IDE interface (there may be a few exceptions, but not likely to encounter these), so there are no issues with the connection types.
18x burners are coming out with SATA which is NOT suitable for your PC.
Also, for a first timer, the Liteons are a good all-round burner, same with the LG's.
Avoid samsung for now, and Benq & NEC can also be troublesome with some media, and since you're starting out, that can be the cause of lots of issues.
Most important, when you buy disks, buy good quality disks. That means either Verbatim (common in shops) or Taiyo Yuden (Usually order online).
Using poor quality discs will make your life hell.
Please come back and ask for help, once you've bought it