Hi!
I don’t think there’ll ever be a version of Podium available on CD, mostly because Podium is frequently updated, and burning new CD’s every time would be quite a waste. 😉
It’s fine however if you burn it yourself. Or even better – just use a USB stick to transfer it over.
Please read the licence agreement again though, before taking it to your studio – I think it says you can install on up to three computers, provided you’re the only one using it, and only use it on one computer at a time!
Since you’re from the UK, another option would be to get the current issue of Computer Music magazine: http://www.computermusic.co.uk/page/computermusic/20100119. It has a completely free version of Podium on its accompanying DVD, but it is not eligible for updates like your licence is.