I actually find that Amazon's Kindle application works pretty well. To get the content onto the app, download the Kindle app onto the touch pad, register it with Amazon to get the kindle device ID, and then use the Send To Kindle for PC
app to upload your PDFs from your local system into the cloud and onto your device.
Intel i7 860, Asus P7P55D Pro, 4x2GB Corsair XMS3 1600 (CMX4GX3M2A1600C9), EVGA GTX 560 Ti Superclocked
Seagate 7200.7 160GB, WD Caviar Black 640GB, WD Caviar Green 1TB, WD Caviar Green 2TB
Dell 2408WFP and Dell 2407WFP-HC for dual-24" goodness