I've read a whole bunch of threads too and had no real luck.
I hope this helps though.
MSI BK100 Foldable Universal Bluetooth Keyboard
Perfect (for iPhone, not iPad). Full size (excluding Function keys), attached stand, but out of production and out of stock everywhere
http://www.beboxx.com/coen/msi-bk100-foldable-universal-bluetooth-keyboard.html
http://www.dealextreme.com/details.dx/sku.6443
Freedom i-connex Keyboard
Great. Full size, pull out stand, good price
http://www.freedominput.com/freedom-accessories/freedom-i-connex-keyboard
Matias Folding Keyboard
Great. Full size (including Function keys), comes Apple ready, but expensive and no stand
http://matias.ca/foldingkeyboard/
Freedom Pro Bluetooth Keyboard
Good. Full featured, pull out stand, but very expensive
http://www.freedominput.com/shop?page=shop.productdetails&category_id=6&flypage=flypage.tpl&productid=60
http://www.amazon.com/gp/product/B0030IT6AO?ie=UTF8&force-full-site=1
Think Outside Stowaway Bluetooth Keyboard
Pretty good. Several years old though, out of production, and very expensive when you find one
http://www.all4cellular.com/igo-stowaway-bluetooth-keyboard-1.html
Foldable Universal Bluetooth Keyboard for Cellphone/PDA/PC
OK, but very small and no dedicated number keys
http://www.dealextreme.com/details.dx/sku.34724
Let me know what you end up buying!