Please double check your order at the bottom of my first post here: http://www.macrossworld.com/mwf/index.php?showtopic=41843&st=0&p=1161192 This is what I am going to use for invoicing, so make sure it is accurate.
If you are on the fence about whether or not you should add an extra arm or adapter, I would suggest just getting it now and have it included for shipping. If you are doing any sort of multiple valks on a single stand, please contemplate adding xl arms to accommodate the setup. pm me with any alterations to you order, and I will update my first post in the for sale thread.