If you live in central California or don't mind waiting for a package in the mail, these guys can't be beat.
http://sacramento.citysearch.com/profile/1287059/yuba_city_ca/purple_hog_leathers.html
I bought a classic bike jacket from them some 30 years ago and it is still in good shape. Bought the OL a vest and jacket from them in the early 80's and they look like new.

Very heavy leather, excellent workmanship and good prices.

Let's hope there's intelligent life somewhere in space 'cause it's buggar all down here. -- Monte Python