Most say it's a "violent" spot, but put more emphasis on "intense" for a more positive spin. In aspect to the Midheaven, obviously it would affect your career and life path (you wouldn't take either of those lightly, being extremely ambitious and intense with where your life is going; it's a good placement for athletes - of course, taking other aspects into consideration will help you to see just how positive/negative of an effect this placement has on you).
http://kozmic-kitchen.com/opus/literature/astrologytarotandrunes/caputalgol/caputalgol.html
http://www.llewellyn.com/journal/article/1362
http://www.angelfire.com/empire/serpentis666/Degrees.html