After finding the pattern, fabric is the next big purchase. Once you have graduated beyond the basics, you will need to invest in specialist fabrics and notions, like PUL, Bamboo Fleece, FOE, lastin and snaps. Here are some companies I have used.
http://www.nappiescovered.com.au/store/Default.asp
http://www.tinytoosh.com.au/index.php?option=com_virtuemart&Itemid=31
http://www.gbau.com.au/
http://www.snapsaustralia.com.au/?gclid=CNSw44WBw5kCFYcwpAodBhoqsw
http://www.naturesfabrics.com/Â Â Â Â Â Â Â (American site)
http://www.bamboofabricstore.com.au/
http://www.bamboofabricstore.com.au/

This is great! I was just thinking I might get some PUL the other day for a sewing project so thanks for the list.