I love how "we" should be happy to over pay because "your" paid 4500 each for them.
I am in sales for a living so I am the first person to respect commanding a higher price for an item. That being said, it has to still fit into what the market is willing to pay. Best of luck to you though, I hope you get it!
Remember we're looking at a miner willing to part with his equipment while it's still profitable. Being in sales for a living, makes you have different targets than he has.
IMHO a sales guy tries to make a sale no matter what (get the best price for whatever he has to sell), while an operations guy tries to make a living from managing his equipment, avoiding downtime etc.
One SP30 at this point makes around 1 BTC per month .. you can expect about 25-30 BTC/mo (conservative) from the whole lot. Everyone does their own calculations.
Exactly wh00per, besides we mine solo with these miners and find 2-4 blocks a month so that's 50-100 BTC clear so now you know why we are in no rush to sell. We do expect the USD rate to climb as BTC is now starting to be put to good use much more than before. We give the opportunity to sell as we said because we want to use the funds in other investments NOT because it's not profitable, quite the opposite. The longer we hold on to them the more profit we make, and us selling for a higher price than what other people are offering shows that indeed we are in no rush to sell further proving that it's profitable.
So there you go, we either sell all or nothing because solo mining is profitable only with BIG hash rate like ours and so because of this we will not sell them separately unless the price is 9.0 BTC as that will hurt our solo returns and we can't have that.
wh00per is a smart apple probably listen to some sense from him ;-)