Not agreed!
Now we are in a time that we don't just use pc's with big screens, but also netbooks. And this time there are many other things that are coming out that runs on linux with an arm processor with even a smaller screen (but ok, Serif isn't made for these), but it is much better if you work with it on a netbook, or like the fit pc2, just look up in google for "fit pc 2", it's a very small compact 32 bit pc that uses less then 7W. Or the SmartQ Q5 with a small screen, or the openpandora that is coming out (but these 2 are not 32bit processor).
And on the bigger screens, i find the small icons better, it's also better when you have multiple applications open and if you use 2 or 3 programs togheter, i noticed that this is no problem for programs with the standard and older style of size, but it's harder or almost not possible to work with toolbars with the bigger size. And... i just like the small icons from the drawing toolbar, then those big ugly icons of the standard toolbar
I don't say to remove the bigger icons, just give the user the choice what he/she likes the most to work with, and i'm sure netbook users don't want anything else then the old style smaller buttons ;-)