My APRS Digipeater projects basically divide into three catagories
Fixed Digipeaters:
The Linksys / KissOZ APRX digipeater / Router
Portable, Deployable Digipeaters:
The Asus WL-500 GP V2 deployable, portable digipeater, with stand-alone 3G Internet router/Gateway, APRX digipeater all in one.
Mobile Digipeaters:
...more to come here ...