Anyone traded LTC/BTC with this?
Not yet. Altcoins aren't implemented thus far, but are planned for a near future release. No word on whether we'll be able to trade BTC/LTC though, so far I think it's planned to trade LTC/Fiat instead.
If the bot could make quick decisions, the triangle BTC-fiat-LTC could easily be profitable on BTC-e.
it is not that smart yet... it only has dual core atom processors... it needs quantum processors to be able to out-smart humans....
Au contraire! It doesn't need to outsmart, it just needs to out-calculate

The bot probably could make the decision which of the 3 pairs to trade way faster than any human. Even small profits are fine if you stack them.