I don't use either so don't really care. But even with X Trader, I think Velocity Futures offers a better deal.
-Fast
-Fast
Quote from Lady's Man:
TT's X_Trader replaces more unhappy FFill and JTrader customers on a daily basis that FFfill has sold in the past 3 years.

Quote from dbTrader:
Doing the math ...
FFASTRADE 1200 trades = $3.32 x 1200 + $550 = $4534.00
You GUYS = 1200 trades = $4.50 x 1200 = $5400