Well ive just submitted about half my silk to the DRKSLK ICO.
How much SLK on average will i need to get 1000 DRKSLK?
With Silk at 25:1 per DarkSilk if the min cap of $0.25 is the final price, you would have to deposit 25000SLK per 1000DSLK returned.
OK, so I should deposit another 100K of silk to be on the safe side?
I only deposited 200K of silk.
To ensure a single Stormnode, deposit
250000SLK in total.
Jeee mate
You'll scare the people away

So, is it 25K, or 250k to ensure a stormnode?
At the current rate of $0.25 it would cost 25000SLK for 1000DSLK, however, if the ICO suddenly accelerates and the DarkSilk cap hits $2.50, then it would cost 250000SLK for 1000DSLK.
So if you deposit 250000SLK to the ICO you will get between 1000 & 10000 DarkSilk, thus ensuring you will have enough DarkSilk to run between 1 and 10 Stormnodes.