Are there any other indices or benchmarks available for display on the "Growth of $10,000" graph, such as a Bond index, or slightly more complicated, benchmarks for 70/30, 60/40, 50/50 investment profiles? While interesting to compare your performance to the major stock market indices, it's doubtful many portfolios consist solely of holdings in only DJIA, S&P or NASDAQ, but rather a combination, plus, likely some bonds, mutual funds, etc.
I'm certain that if no others exist, this idea would be of low interest to the Quicken developers as there's likely much less interest in something potentially useful versus the human outcry there must have been for increasing the line spacing of displayed downloaded transactions.