Just wanted to put in my reccomendation for WASD. I got the Cherry MX brown switches (tactile bump). I love the ability to completely customize each key. I've had mine for about 2 years now and I really dig it.

http://i.imgur.com/kLWlIVo.jpg

they just came out with an 88 key version I might have to buy for my home office.

http://www.wasdkeyboards.com/index.php/wasd-v2-88-key-iso-cu...

Check out the customer creations to get some ideas of what you can do: http://www.wasdkeyboards.com/index.php/gallery2/customer-cre...