SEP 2000 - Who is on top ? Frequency depedent grids -- promise and problems Space varying omega-x-y prediction filters Quantified quality assurance with reverse DMO Robust cluster analysis for attribute-property calibration and classification Reservoir monitoring, morphing, and warping Marine vibrator -- promise and problems The attenuation attribute Anisotropic velocity analysis (with or without picking) First break picking or tomography without picking Iteratively reweighted least squares L1, and other robust inversions