Proporta has extended their Alu-Leather line of aluminum and leather cases to include the iPAQ 22xx Flip and Book Type, iPAQ 38xx/39xx/54xx/55xx Flip and Book Type, PalmOne Zire 71 Flip Type, Sony TJ37 Flip and Book Type, Sony TH55 Flip and Book Type, and the Sony Ericsson P900 Flip Type. Proporta’s full line of Alu-Leather products can be found on their site.