Got it. I kind of gathered that you thought you couldn't mine with them on linux. Guess I got the wrong impression there.
EDIT: You seem to be implying that this is a dealbreaker. Before BFL released the faster firmware, were you considering purchasing them? Or was it only potentially worth purchasing after the faster firmware was released? Or are you just rejecting them on principle?
It'd have to be a pretty intense principle to stop me considering the business reality that is BFL's lower cost per hash
Yes, I've been somewhat critical of FPGAs that *overheat* (why not use expensive GPUs that do the same?) and the early days of vapourware, but when running a miner as a business, one must ignore the emotional and 'technology-religious' dogma.
The biggest impediment stopping me considering BFL is the fact that I live in the UK and the import duties would make the kit (when it eventually arrives...) instantly uncompetitive. A lot can happen in the lead time that BFL quote... I hadn't logged onto the forums for a couple of weeks due to manically trying to build my 25 Ztex FPGAs - when I logged back in, a new UK company had gone from zero to a quad Spartan board design and were already releasing dev boards to beta testers (Enterpoint).
You can imagine my response. WTF?
Also, Enterpoint's kit is local, and makes my Ztex FPGAs look rather expensive. But Stefan @ Ztex delivered the working FPGAs exactly when he said he would (i.e. when I paid him). No long lead times, no loss of opportunity cost.
Now if I'd invested £5k in BFL products and swallowed the import duties, and was still on a waiting list when a new player springs up in my back yard, I've just wasted £5k. Best case scenario is that the order is cancellable, and BFL refund the entire amount... but if the guesswork re: the Singles using used / NOS Stratix-3 chips in small batches at fire-sale prices is true, I can't see why BFL would offer such a generous cancellation / returns policy. If I've just ordered 10 Singles and they've had to trawl the market to find these fire-sale Altera FPGAs, why should they let me simply cancel with no penalty?
This is the biggest problem for me - the second is the fact that they still use enough power to figure in the profit calculations (electricity is furiously expensive where I live - hence the reason why I bought the highest hash per watt and lowest wattage per device). The clusterfuck with the additional fan bolted on screamed of amateur engineering and a rushed product, and we've now got full-bore professionals taking an interest in the Bitcoin mining market. I'd point at Stefan @ Ztex, but he was one of the early adopters anyway. Take Enterpoint instead. Professional board design / consultancy outfit, and look how quickly they've gone from zero to what looks very viable indeed.
With payback times well beyond BFL's warranty, and FPGA professionals piling in, BFL's sekrit squirrel approach and Windows-only firmware update (they have released faster bitstreams since the first hardware shipped, after all, so it's a process that can be expected to occur again) is just the final nail in the coffin re: me considering their hardware.
If they got an EU distributor and sorted out delivery times, I still wouldn't want each box running 80W heat dissipation. Their 'Rig Box' is a lot more appealing but again, I want to see one.
Business is business and I'm not going to ignore the most competitive vendor because I think Micro$oft ARE TEH EVIL!!11!1!! - not only do I not think that, it is also very childish and I gave up OS religious wars back at college - I was using OS/2 Warp and my engineer mate was trying to compile Linux with a 2.0 kernel... too old for that shit now.
However, given the other disincentives to consider BFL products, adding the sheer distaste of having to run Windows somewhere (and paying Microsoft for an operating system I'll never use apart from the odd firmware update) is a dealbreaker for me.
Up till now, Ztex were my vendor of choice. Enterpoint are now making a damn strong case for themselves. Shame I've run out of money. Anyone want to buy some GPUs?