If you are in the UK, and want floor monitors, you can get a very acceptable four-monitor setup from Class D design of Mansfield. Suitable for nedium to high-power FoH rigs. Four monitors costs you £198, plus you will need a power amp of between 600 and 1000 watts. They do the full package including amp for £350 or so. Good people to deal with, and their kit is robust and sounds good. They design the gear in the UK, manufacture it in China then quality assure and setup back in the UK. Link here
Tim