I love World Creator, especially the vegetation distribution pipeline. You can create some very realistic fields with it. Im going to check out impostors too - ive seen it a few times and wondered what it's about.
Stupid Rental. My Zbrush that I haven't paid for an update in years and is perpetual Trumps that on all counts.
GDC 2014: Performance Analysis and Optimization (Lorenzo Dal Col, ARM)
The work of the ARM DS-5 Streamline Performance Analyzer I optimizing Mali GPU performance is shown by the ARM Senior Software Engineer Lorenzo Dal Col.