Not when you use Amazon's new regions, us-fin-1, that is within the exchange's datacenter. /s?

That would actually be tremendously disruptive! Superb idea.

for a moment I got super excited and thought us-fin-1 was real then saw that trailing slash indicating sarcasm.

maybe we'll see High Frequency Trading For The Masses sort of situation in the future that wipes out profits for existing guys although it seems unlikely seeing how arbitrage opportunities are all automated by large capital holders.

Yeah you need to be in the colo. Also these aren't on the network card, the cpu introduces too much latency