IB streaming quotes seem delayed?

Quote from Cdntrader:

depends how much you want to spend. You can go to CQG or BLOOMBERG or other high end platforms.

what would you reccomend?

something thats not too expensive but reliable
 
Quote from def:

as mentioned IB does aggregate the tick source but that should lead to more timely bid/ask info in fast markets.
Is the bid/ask information aggregated as well?
 
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