Here's what I woul do:
-Sell for cash (lucky you, it 's a lot of cash): 20%
(I would wait for best price, probably in vacation when people have more free time the demand and price will go up)
-Invest 10%
(stock markets, Bitcoin investing, whichever you prefer. I personally like NASDAQ, but that's just coz I'm kinda geeky...
-Trade for LTC: 10-15%
(probably going to increase value in the next few months)
-Trade for gold: 5-10%
(always a stable value)
-Maybe buy a bit of Primecoin , Peercoin etc.: 0.5% to 1% each.
-Save the rest (at least half) if you don't need the money right now.
I wouldn't mind some tipping

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Additionally, if you are really wanting to start a business with your BTC's, I would go for starting a small-medium local BTC trading business. New people are interested in buying bitcoins every day, and if you can find a place with a lot of traffic (physical or online) it won't be a bad idea.