m-db,
Here is a link shared by miles_b_astor recently.
http://avshowroomsforums.com/showthread.php?5-Companies-Currently-Producing-15ips-Reel-to-Reel-tapes...!
You can get them for a little less that half that amount. Also, if there are any local studio's in your area, they too will sell off safety copies and masters of older recordings.
My son has my old Pioneer 909. This was my wife's favorite machine. She loved the quarter track format (don't have to rewind to play) and the auto reverse. It's also an excellent sounding machine, with superb build quality. I seen one once modded with half track heads and high speed.
I wish that were an option for us all, as that was a very popular machine.
I recommend to all those that have a 900 series machine to loosen the tension a little on the tape tensioners. It really saves on head wear and doesn't need to be so tight with the dual capstans.
I find that analog tape is really the best storage method for archiving recordings. There are tape formulas that have held up well for over 50 years. Of course, having a safety copy with a newer formula is always safe measure.
Since you mentioned the 909 and it's quarter track, you should check out some of the old releases in that format from the 60's and 70's. If you are a Beatles fan it will knock your socks off. Those old Capitol tapes are outstanding!
Norman