August release delayed

Due to a nice vacation and this year's SIGGRAPH conference, I haven't had much time to work on Sproxel in the last few weeks.  I'll return to the Bay Area in seven days, and will be able to resume development, focusing on selections, slices, and a moving "builder brush" style development region (thanks for the suggestions on the feature requests wiki).  In the meantime, here is a screenshot of something I've been playing with.  I hope to have more news soon!