The PG (plus gloss) is very similar, but much more flimsy. And then there's the "everyday glossy" GP, which should be adequate for smaller prints, but I would use PG or PP for A4 or larger.
Save the semi gloss for the pigment ink printers instead.
Other than Canon papers i cannot comment on, we didn't have access to any third party products at the site, all part of the employee brainwash program
