The wait is almost over. The much hyped Blu-ray set of Gurren Lagann will be out June 26th and Gainax is going strong into the finish line with more tributes on their site's weekly welcome page. The latest is from ever impressive animator Akira Amemiya.
An earlier welcome pic he did of the Gainax mecha
A couple of collections of his repesentative work...
His "Hell With This Gattai!"