I'm not sure what specific print you're looking for, but the Anna Bella line is readily available. A quick search yielded lots of shops with lots of choices. Hancock's of Paducah, Fabric Shack and Whittle's all have it.
Use the three main fabric search engines and just type in Anna Bella, nothing else. There are 73 choices at 4 shops on the first one alone and four pages on each of the other two.
http://www.quiltshops.com/index.html
http://webstore.quiltropolis.net/
http://www.fabshophop.com/fabsearch.asp
If you need specific SKU numbers for any reason, check the Marcus site.
http://www.marcusfabrics.com/cgi-bin...3&View=All&v=1
ETA: Obviously Marcus Anna Bella is not the same as RJR Arabella.
Mea culpa.