Historical intraday data for European stocks

I need intraday data to backtest my strategy to expand trading on European markets.
What source of historical intraday data (at least 15min bars) for European stocks would you advise? CQG is too expensive for me, are there anything more affordable?

 

what do you need more specifically? which stocks / exchanges? how far back?

 

Need data for stocks from different exchanges, actually traded with significant volume. List of stocks attached (txt file is CSV). Need 15min bars since 2000.

 

http://www.volumedigger.com/Softwares.html

try the sw gdata. downloads data from google and is in one minute format. 5-10 days backfill. supports various us europe and asian exchanges.