What do you want in terms of:
-Charting or data watchscreen or both?
-Intraday charts of EOD?
-Pay for live feed or free data?
-Backtesting ability or not?
- Can you write code? Do you want to?
-System or discretionary trading?
-Budget?
-Pro wannabe or tinkering?
These all make a difference as to what you'd choose.
