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Many grocery stores around me (both in Ohio and when I was in MD) carried Dry Ice.
Call your local major grocery stores and ask as well.
Methanol can widely be found as Methy Hydrate as far as I can tell it's the same stuff
Interesting, I learned something today. I typically buy bottles of methanol from a lab supply company
Do you have a link to his score/submission. Most records are set using LN2 or LHe and you well not be able to get close on a chilled water loop.
There is a huge temperature difference that allows for much higher overclocking.
A chilled water loop can get down to around -50C
A system using LN2 can get down to around -210C
A system using LHe can get down to around -268C
With the massive temperature differential between the systems a chilled water loop just cannot normally keep up with the other cooling methods.
You also need to factor in your efficiency in each benchmark. If your system is not set up properly with tyre right OS, drivers, etc your scores will suffer and you will not be competitive.
So I looked into the video and his score was 8092 points in Firestrike Ultra. I am not sure when he posted that score but that score would not even hit the top 10 at Hwbot and is no longer even in the top 100 on the 3Dmark scoreboard. He posted his scores on 3dMarks scoreboard which is different than HWBot. The current #1 spot is held by Kingpin with a score of 10,801 points with the cpu being run under LN2 at 5.7ghz. You can find a link to the submission below.
http://hwbot.org/submission/3830229_kingpin_3dmark___fire_strike_ultra_titan_v_10801_marks
Now please don't take me wrong I am not saying that you cannot be competitive and I am not trying to discourage you, I just want to temper your enthusiasm a little so that you are not disappointed and turned off to the sport. It is good to go into this with appropriate expectations on what is possible.
By the way did you sign up at Hwbot and if so what name are you using?
I agree with Loch. Do this because you want to do it and not because you want to chase and beat someone's score because any score can be beat at any moment. If you're doing this as a side hobby while being very costly and ruining your warranty via delidding, have at it as long as you know what you're getting yourself into. If you wanna be top scores in the globe, you need LN2 cooling and it will take some time to become more familiar with OCing.
Have you OCed a PC before or at least on air or AIO?
You'll need to do more research in this than just have the 'bug' of excitement on beating someone just because. It surely is fun but only if you're 100% all in.
FlashZ
Yes, I've done some overclocking, but not nearly enough. I have no intention of rushing into this. It's why I'm asking a zillion questions. I'm also going to start with the cheaper components I have laying around before I start using the expensive stuff. My goal right now is to find a good way to chill the fluid being used in my water cooled rig (I've learned a lot from this thread) and also to learn all I can about modifying BIOS and the best OC practices for my GPU's so I can get the most out of them hopefully without bricking them. Only then am I gonna start...
Wouldn't take much to build a recirculating LN2 loop, and LN2 is pretty cheap.