The first generation of VAXen were the 11-780 (codenamed Star), the 11/750 (Comet) and the 11/730 (Nebula).

The 11/780's successor was to be implemented in ECL and was codenamed Venus.  Along with Venus were a two-board VAX implementation (Gemini) and a one-board VAX (Scorpio).  Gemini was cancelled.  Venus had lots of schedule slippage but was eventually released, but under the new 4-digit VAX branding system (it was originally slated to be called the 11-790).  Scorpio became the VAX 8000.

-Paul W