I get the majority of my pet stuff from Pet Planet, though most of my rabbity stuff comes from the Hay Experts.
I know people have had issues with Pet Planet but so far I havent so im not sure if something has changed and they've improved, but shipping is free if you spend over £39. Although the delivery people just leave the box in front of my house if no one is in, which is annoying - although I'd love to see someone's face if they did and all they got was some cat and rabbit food :lol:
But you just can't beat the Hay Experts for things for the rabbits! Delivery is £5, so I make larger orders less often, and they always email and text beforehand to give you a time slot which is helpful.