Amvona backdrop muslin sale!

I got an email today from photo gear/budget backdrop retailer Amvona touting a painted muslin sale:

http://www.amvona.com/index.php?page...0b4b83f43f4854

Looks like there might be some good bargins...

Hm..but how good is amvona in regards to quality? I dn bother too much about price but quality is the ultimate proirity for me? How good is amvona?