TotalView ITCH compare with normilized feed

I'm looking for some insight if TotalView ITCH feed, BATS multicast PITCH and other similar feeds can give hft algo advantage compare to a normalized feed from a specialized broker.

Should I be concerned about access to a row feed to have any advantage on market-making and stat. arb. strategies?
If there any useful information in raw feed?

Thanks,
--Roman
 
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