After going through the comprehensive whitepaper provided on steemit.com and the excellent articles from 
Hive account@donkeypong and 
Hive account@kenny-crane about the usage of STEEM, Steem dollars and Steem Power, my puny brain unfortunately is still unable to comprehend the nuances, but in the spirit of MASSIVE ACTION/do-first-think-later, I have gone ahead and bought myself some STEEM power despite not being sure of the implications etc.
