Best and total number of currency pairs?

For the brave traders looking for volatility, the South African Rand (ZAR) had major moves today. USDZAR had a range of over 2800 pips!

For me the best currency pair is EUR/USD. Because of easier in making analysis, have good fluctuation and enough fast movement and also have good volume specially in power hours.
My another favorite pair is AUD/USD. Now I am trading with this pair most of time.