i just picked up a 52inch LCD Samsung LN-T5271 from frys few weeks ago which is 1080P with 120HZ automotion on it. and its a big difference when enabled (can turn it on or off low, med or high)
i love this tv and only paid 2800 after taxes

120hz automotion
16: 9 Widescreen Aspect Ratio
1920 x 1080P HD Resolution
Dynamic Contrast Ratio 25,000:1
Tuner: QAM, NTSC, ATSC
Wall Mountable: VESA Compliant
Stereo Modes: MTS Stereo with SAP
Sound Effect System: SRS Trusurround XT
Viewing Angle 178 / 178
Response Time 6ms
DNIe™
Picture in Picture Function
DB15 (PC Video) x 1Rear Input
HDMI x 3 Rear Input
RF x 2 Rear Input
Analog Audio / Video x 1 Side Input, (1) Rear Input
Component Video x 2 Rear Input
Headphone Jack x 1 Front Output
RS-232C x 1 Rear In/Out
S-Video x 1 Side Input, (1) Rear Input
USB Port x 1 USB 2.0