Hi,
I tested several players last spring: Sony, Philips, LG, Pioneer, Samsung - each for several weeks. Aim was to find the one with excellent picture and audio quality with Blu-Ray and good control with the PUC of the BS3. I could not get my hands on a Panasonic device to do the extended home testing so I had to rely on second opinion on that. Oppo was not available that time.
Pioneer was absolutely too slow and very big. BDR picture and audio are digital so I did not see or hear any difference between any of the drives. I also draw a conclusion that BDRs are still evolving and therefore it would not make sense to invest heavily to a product with an estimated life span for two years. Therefore I ended to do the selection based on price/performance. For me that was Sony 550 for 229€. Hidden in a cabinet and decent control via PUC.