Sony KDL46V3000 - You can get close to your budget with this model with best of class procesing for price point and quality. Check out resellerratings for models and pricing and ratings of vendors. If your budget cannot stretch perhaps the S3000.
Some of the better features include:
10-Bit Processing and 10-Bit Display
While it's great to state that a TV is capable of creating billions of colors, it's a whole lot better when you have a display that can actually display them. That's the logic behind Sony's 10-bit processor and 10-bit display. Sony follows 10-bit processing with a 10-bit panel, allowing 64 times the levels of color expression than an 8-bit panel. What that translates to is smoother transitions from color to color and subtle color changes faithfully reproduced.
24p True Cinema (24p Input Capability)
Many movies are filmed at 24 frames per second (fps) and prime time TV programs are video taped at 24p. Seizing on an opportunity, some studios are taking a purist approach and encoding high definition video content such as Blu-ray Disc in 24p. Sony wisely takes advantage of this by including 24p output capability on their BDP-S1 Blu-ray Disc player. It makes sense that the KDL46V3000 would include 24p input capability. The benefit? Images are smooth and natural looking. Once you experience 24p video it will be hard to view video without it.