Hi! welcome to our community.
Of course future PS2 (not PSX2 - I dunno why but I hate when ppl call this piece of hardware like that

) will be much faster, will be able to do filtering, display gfx in highier resolution, loading times probably will probably be faster (as in PS2 with HDD) and many many more

just wait some time (to be honest - quite long time) and for much more powerfull PC. Oh yeah, todays pcs are more powerfull than ps2, but that consoles architecture is different, very different, also coders of ps2 emus don't have full documentation for it...