"Eat lunch in the sun with all the London workers"
"Get standing room if you can, some of the boxes have very limited viewing."
"If you know someone who works here and can get you into the cafe, it's well worth it. Buffet-style tasty food."
"Not worth the admission price by far. Would be interesting if free, but the exhibits are poorly lit, poorly displayed and badly dated. Worth a pound or two at most."
"Don't bother. Really don't bother."
"If you're grabbing a bite to eat, make sure you head through to the outdoor 'Outlook' area."