TV's Frink said:
This is probably the route I'll take, although the concern is that the PT is so "pretty" and the OT so "ugly" that they'll hate the OT even if they see it first - unless they avoid the PT for at least a few years.
Although at a certain young age the PT might look like a cartoon for babies, and the OT will look edgy and grown up. I went through that stage around 8.