I used to get whitelabs all the time. My main supplier was morebeer.com... but then shipping costs were OTT in the end. The most I ever paid was $15 for a tube... and this was ordering them 6 at a time.
In the not too distant future, I'm going to be looking into supplying white labs yeast to homebrewers in much the same way as WyEast is currently supplied through this website... hopefully there wont be a conflict of interest!
What strain are you after in particular Alex? Maybe we could suggest a suitable WyEast alternitave found available right here.
I just bought a 1968 Smackpack yestarday.
It feels great to have it available like this! Finally!!!