The Torana is nice looking but not a patch on the Caddy picture in Autocar! However, having just read the paper edition (which incidentally appears to be getting less and less relevant as most of the mag has been pre-published on the web), it looks like Autocar have done an 'artists impression' of what they think it will look like rather than base it on any actual spy shots or leaked photos, so who knows what it will actually look like? That said, the current BLS is, I think, a very attractive car and has some real visual impact, which is somewhat surprising given that it is based on the old-ish Saab.
One issue with the larger Holdens is that only the cooking models look really good. Look at the current and previous Commodore for example. This wasn't the case back in the 70's where all the models looked pretty good (eg 1972 Torana).