The C150's and PA38 are more than good enough to teach the PPL and having a plastic fantastic EFIS machine is a waste of money.
In fact one of the schools did have a plastic fleet then got shot of them because they were rubbish.
As for the commercial side of training they all have the pretty much standard complex and the twins are standard steam instrument aircraft.
The training fleet up north isn't that bad actually. Both Perth and Dundee have resident 145 engineering onsite. And although they have there fair share of tech issues as any school does they are looked after.