You might want to take a look at:
http://www.tw-cabal.com/strategy/blockade.html
It's not the most comprehensive document, but it might help you get past a blockade.
The big thing is to use macros. Speed is important.
Also, you might want to PPT in fed for a bit and get some more holds and figs and shields at Terra. You will need a bunch of figs if you want to macro your way into the SD.