what is the difference between TRADESTATION 2000i and Tadestation 8 saw these 2 products - also, if i do not have a data feed, but i have MLDownloader (imports yahoo data into ASCII or Metastock format), will i be able to chart stuff on tradestation? - does tradestation provide fundamental analysis like ratios, percentage,etc - can i use tradestation 2000i or tradestation 8 offline?