There's already a 193T, but I don't exactly know what the specs of that one are. I seem to recall that they were very similar to the 191T.
For the moment I myself am also waiting for Samsung to release a 19" or 20" TFT with 1600x1200 as a native resolution, preferably with a 16ms (or lower) refresh rate. It's been a while since Samsung has released any new models, so I expect this to happen Real Soon Now. On the other hand, it could be a couple more months still, since they haven't announced anything with those specs yet.