Dayton SSHM-24 24 inch
high mass metal speaker stand pair

Also available in 18 inch and 12 inch heights.

 more speaker stands available from Parts Express
 

Besides Parts Express, some more great places to comparison shop or buy speaker stands and wall mounting brackets online are Amazon, J&R.

Also check out Abt Electronics and Circuit City.

Techcraft PS32X 31" Silver Speaker Stand, Pair (bulk pack of 2)

Enhance the look in your home while improving the performance of your home theater system with these Tech Craft speaker stands. Standing 31 inches tall, these stands boast a silver Durapaint wear-resistant finish and sculpted edges to add to any decor.