Ameritrade Izone and Sogoinvest are two discount brokerages that I have accounts with. Both offer very low commissions, and this makes them very good candidates for investors who prefer to invest in ETFs rather than mutual funds. I compare these two brokerages because to me, they are good substitute products for each other. The following is the comparison table based on the factors that are important to me:
[Table revised 9/16/2006. To view the old table, click on the link below]
It is difficult to decide at this point which is better, especially when Sogoinvest is very new and still improving on its offering; although I must say that I am not particularly thrilled with Sogoinvest’s ACH and margin interest accruing timeline. I have already written comments about these in my previous Sogoinvest experience posts  .