oo.com.au - 72 bottle peltier cooled Wine Cellar $349.95 (RRP $800)
72 bottle wine cooler - set to 12 degrees and you can make sure your wine stays in decent condition. Uses peltier cooling which means low vibration - a very good thing for long term storage.
You can get a peltier based wine cabinet from the likes of
http://www.kitchenerwinecabinets.com.au/, and I'd recommend them if you want to store a lot of wine, but you're looking at a cost of more than double per bottle eg:
72 bottles for $350 = $4.86 per bottle
430 bottles for $4950 = $11.51 per bottle
Assuming that the thing is well made, then this is possibly a better deal than the previous Penfolds Vintec offer - a bit more than twice the price but holds nearly twice the amount, no limit/restrictions on purchase, don't have to buy any wine to qualify, and uses peltier cooling.....