My '03 has 59,000 miles on it and I've used 5 different chains of all different types, X-Ring, O-Ring, Z-Ring, stock chain, high tensile strength, stock tensile strength. I've used a wide assortment of chain lubes out there except WD-40 but including Chain Wax and Silicon spray.
NOTHING has caused me to get more than 11,000 miles out of a chain. The only thing I've kept consistent is the maintenance which includes cleaning the chain every 600 miles and keeping the tension adjusted right.
11,000 miles.
Save your money and get a reasonable O-ring 530 chain.
To qualify, I don't race and don't spend any time on the track to speak of.
Things that affect chain wear:
Maintenance. I know this not from experience but from stories told by others. Keep it clean. Lube. Keep it lubed. Adjustment. Keep it adjusted. Especially don't over tighten the chain.
Your weight: Heavier guys get less chain life. I get 11,000 miles on a chain. CharlesBusa gets double or more. I outweigh him by at least 120 pounds.
Riding habits: If you're smooth on and off the throttle, you'll get more life. If you're choppy on and off the throttle and create excessive chain lash, it will cause the chain to wear faster.
Anyhoo, just some thoughts.
--Wag--