sorry fella, hadnt seen this one welcome to the forum mate
we are, but you only posted this a few hours ago, alot of people do leave their computers on the weekend
with the glanza, its a fairly reliable car, aslong as it hasnt been owned by muppets, so usual checks when you buy a car really, smoke, oil leaks, oil in water, water in oil etc. general condition.
if its running silly boost (anything above 0.8/9 at a push) with alot of standards parts, id be careful and ask for a test drive, or ask them to take you for a test drive.
ask them to give it some beans, if it hits fuel cut, a