As taken by me on PS3 launch eve:

StoreHow Long?Keeping/Selling?HDTV? Resolution?
Target24KY720P
Best Buy24 S Y 1080P
Best Buy24 S Y 1080I
Best Buy24 S NC N/A
Best Buy23 K Y 1080P
Best Buy23 S Y 1080I
Best Buy23 K NC N/A
Best Buy25 K Y 1080I
Best Buy25 S Y NC
Best Buy26 S Y 1080I
Best Buy26 S N N
Best Buy28 S N N
Best Buy28 S N N
Best Buy44 K Y 720P
Target 25 NS Y NS
Target 25 NS Y NS
Target 25 K Y 1080P
Target 25 K Y 1080I
Target 25 K N NS
Target 3 K N NS
Target29 K N N
Target24.5 S N N
TargetNC NC NC NC
Target25 S N N
Circuit City25 S N
Circuit City25 S Y 1080I
Circuit City25 S N N
Circuit City25 K Y 1080I
Circuit City25 S Y 1080I
Circuit City25 S N N
Circuit City25 S N N
Circuit City25 S N N
Circuit City25 S N N
Circuit City25 K Y 1080p
Circuit City25 S N N