Hi,
in case someone wants to trade on RSI (Relative Strength Index) and MACD (Moving Average Convergence/Divergence), I have put up a couple of charts here, along with the old price vs. difficulty comparisons:
http://fnoose.com/bitcoin/analysis/I have also improved the interface of the arbitrage calculator:
http://fnoose.com/bitcoin/arbitrage/All charts are updated automatically.