Wyse is just in the last steps of the beta process of their updated Linux version.
This Linux version is based on Novel Suse Linux Enterprise Desktop (SLED) 11 and is, similar to the current version, a stripped down SLED. Officially it is therefore named Wyse Enhanced Suse Linux Enterprise for Thin Clients (SLETC). The new version will have some really significant improvements like build in PCoIP or ICA 11. Here is a list of all features: