NextLife World

US $22 (or 19.95 Euros) for a 15,000-prim region on the hypergrid-enabled, German-language NextLife World grid.

(This is a different grid from the Nexxt Life grid.)

Self-hosted regions can be attached for 5 Euros per month.

This is a German-language grid running the ArribaSim version of OpenSim.

More information here.