Quote from: larem on February 05, 2014, 07:39:33 AM

Quote from: Sonny on February 05, 2014, 07:26:50 AM

Quote from: gpucoolingmethod on February 02, 2014, 02:07:11 PM

Quote from: Sonny on February 02, 2014, 01:14:35 PM

It will be very difficulty to find btc mining profitable at this stage, no matter you buy hardware now, make a pre-order on hardware or buy some cloud hashrate...

i found an hour of 180 gh/s for 8 usd.

all calcs calculate in months not hours.So I dont know if this is profitable.(How fast does difficulty change? i know its every 2016 blocks but cudnt find more info)

what is the best pool?(according to chart: paypershare is best?)

Pay per share (PPS) is indeed not a pool, but a payment scheme.

PPS is best in terms of lowest variance, but the % fee is higher.
It may be better to use PPLNS or DGM (higher expected payment due to lower % fee).

FYR: https://bitcointalk.org/index.php?topic=104664.msg1146110#msg1146110

If you're renting, PPS is better though. You don't want variance when you are dealing with a set amount of time like an hour or a day.

Unless you are renting hashrate for just a day.
If you join a big pool like btcguild, the pool luck wouldn't vary that much with PPLNS.

For reference only: btcguild pool luck at this very moment.
Approximate Pool Luck* (24H / 3D / 1W / 2W / 1M): 92.069% / 101.504% / 98.734% / 102.433% / 101.802%

Though the average luck is at 98.7% for 1-week, you still get more btc using PPLNS than PPS.