Then the next higher one would be the HD 4550. At least I couldn't find any info about HD 4450.
> I have a few more here that need to be shipped, along with a few R800 cards. I'll > have the first of those out in about a week, with the rest shipped before the end > of January. Mark should have the needed representatives from the R600 to R800 > series' before Spring (there is a HUGE delay shipping into South Africa)