Image Compressor offers a pay once model for compression of JPEG 2000 and ECW formats

ER Mapper today has introduced a new application - ER Mapper Image Compressor. the app boasts a no per-MB charge but rather a pay once model (eg. a 100 gigabyte input file license will let people compress as many 100 gigabyte image files as they like) and also  provides color balancing, mosaicking, cropping, reprojection and many other features. For those interested a Trial versions of ER Mapper Image Compressor can be downloaded from www.ermapper.com