thats bottom of the new range. This is the GS version click here the LE cards are usually the lowest of the lettering grade,ie LE GS GT GTX Click on the different manufacturers for the range in prices click here
try here for a comprehensive and current overview of graphics chips. click here They are arranged in approximate order of oomph. Only problem is ATI and Nvidia are in separate tables so you can't compare the different manufacturers. You should be able to see where the 7300LE falls in Nvidia's range though.