Will Cudaminer work for this?
Yes, cudaminer should work fine for scrypt-jane. I've got nvidia gpu, I will test latest cudaminer before the release.
X11 is better than scrypt-jane, please think about it.
are X11 memory intensive somehow, or does it have other properties making it expensive to build ASICs for it?
I read the opinion that it is easier to make an asic for x11. Also x11 is cpu minable, with current situation on cpu coin scene (with extremely low profits) huge botnet can easily jump on the coin. Lower mining temps just indicate that the gpu doesn't work at full power.
I doubt that there will be an asic for scrypt-n or scrypt-jane in near future, because these hash algo have got an option to change N factor easily.
The time X11 asic come to reallity, memory will be so cheaper than now, you will see scrypt-n / or scypt-jane asic too.. It's not an algo matter, but a success matter. If a coin is very succefful and popular, Asic manufacturer will make a product for it. But we talk about millions or billions market cap.
Scrypt-N and scrypt-jane are also gpu resistant.. configuring a mining rig for scrypt-n or scrypt-jane is not always easy. It's not very popular. X11 is. You have also others algo you can use (Groestl for example)
Changing N factor to protect the coin is theorically working, but it make miners to have a lot of Ram too. With scrypt-N with 3 GPU (r9 280x) on EXE or VTC coin for example, you need 4Go of ram (to have full hash power). With 4 or more GPU, you'll need 8Go. If the N factor is higher, you will need 32Go on each rig ?
There is 2 way to be really asic resistant : the ability to change the algo with a fork if an asic is coming, and multi-algo (like Myriadcoin). Myriadcoin is not asic resistant, it use sha256d and scrypt, but also other algos. So, miners with asic can mine it with their own difficulty, and "little miners" like us can too, on actually asic resistant algo, with their own diff (lower).
So, i think the only thing that matter is not asic resistant or not, but coin being popular or not. If you want to succeed, you need your coin to be at least popular. Scrypt-jane and scrypt-n are not and will be less popular with summer coming. Choose your algo wisely, with this in mind.
