Tor and I2P have been suggested quite vocally earlier, even to the point that the whole network would be ran under Tor/I2P (i.e. they would be built into the wallet). I've heard I2P would perform better?
I2p can send connectionless data, so it is better suited and would likely perform better yes, but these systems are of kind of questionable value (that doesn't mean no value, it means the value is difficult to know). On the other hand, Tor probably has far more more users (higher anonymity set) and a wider variety of use cases in practice, so that is a tradeoff. Both are susceptible to various forms of traffic analysis, MITM, etc.
Better in my opinion to use a trustless privacy scheme, and rely as little as possible on yet another third party layer that might be compromised. With Monero the amount of information that leaks even if network traffic is completely compromised is quite small. I commented further here: https://bitcointalksearch.org/topic/m.10790082
What about a lot of users not having DOS. Are they going to be able to use Monero in the future?
Even your grandma can with mymonero.com, even on her mobilephone. We have 4 other guis, all as easy as Darkcoins bitcoin-qt rippoff. You could just stop beeing narrow minded, life would be so much better. FYI commandline has nothing to do with DOS, i recommend you to visit a basic workshop on how to use a pc.
Read the MRL's unter lab.monero.cc; if you don't get the math i can't help you.
And yes you are wrong.