Ended up picking one of these up
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
Seems like with so many ways to stream content to TV's now that the HTPC market is dying out, so many items are discontinued now and/or are available through ebay as old stock.
Flirc looks like a nice cheap solution, but as the ASUS VivoPC doesn't have any front facing USB ports I had to rule it out
After playing around with the Harmony software a bit, you can add a Microsoft MCE Keyboard and Windows Media Center SE as devices which allows you to use any keyboard button or combo (using the ctrl, alt, and win keys) you want, so pairing that with something like autohotkey should allow me to setup whatever macro commands I want. Now the hardest part will just be waiting for everything to get here