Terradek produce a range of devices for sending pictures, both HD and SD wirelesses. The footage is encoded as H264 and can be sent to one of many devices, can be broadcast to the internet and a lot more.
Three Blackmagic cinema cameras which use interchangable lenses and records directly onto a solid state drive in Avid DNxHD or Apple Pro RES format. You can also record in a "RAW" format which allows you to get the best out of any images you film.
A range of analogue and FireWire mixers, plus the excellent FireStore drives - record straight from your camera into the drive and then transfer straight to your edit system - cut out the lengthy capture process.