Gayan “Performance Wizard” Perera hates waiting. Be smart, be like Gayan.
The downside with my one is that it’s a wrapper around the sync method – some people do frown upon this since it is not true async. (and we frown upon those people – t.j.)
Bonus – OptimizedConnection class based on the https://pfexrmcore.codeplex.com/ to get true parallelism with the CRM SDK.