How do I keep my dedicated room & gear cleaner?

Cool. Good idea. How LARGE might you be talking about? Could something like what you've suggested be moved easily enough? Wouldn't want some big industrial sized monster populating a lot of floor space in my beautiful dedicated listening room,(the room is a showpiece in itself),and must have high wife acceptance factor. I WILL check into the Honeywell Hepa for sure.
What about an OREK? Saw one of those late night "infomercials" and the OREK ProShield Plus air purifier looked like it might be a player. Anybody own one? If so, does it work well/do the job? T.V.ad claims that it cleans and recirculates all the air in an entire room 10 times in 1 hour. I guess that sounds like a good thing? It runs about $400 and is supposed to operate very quiet. Looks pretty stylish too. Input from owners of it is appreciated.

Thank you so much Elizabeth, the info you provided is very helpful. I am kind of a clean freak when it comes to my audio system, and I hate when all my "toys" look all dusty and upkept, (a condition that is common to most of my friends and audiophile club members). It has bothered me when I go over to share an evening of music listening at someones place and their beloved equipment looks as if it hasn't been dusted, or cared for in years. I take much more pride then that and I could never treat my prize possessions with such carelessness. So I clean, and vacuume, and dust, and constantly wipe things down. My dedicated listening room has been a 20 year labor of love. Not to mention a sizeable investment. But I struggle constantly to keep it all clean and dust free. It's kind of a pain in the butt, and time consuming to do it. I have gone so far as to have "custom" covers made for EVERYTHING, (the B.A.T. amps which sit on stands, the MBL 101e's, the subwoofer, the main rack with all my front end components), but that is a royal pain to always have to cover everything up. Especially when I like leaving my system on/listening to music all the time. Unfortunately, living out in the country, (and closer to all the natural elements), makes for a much dirtier existence then living in town...where streets are paved. In town there are no tractors or other farm equipment working the "field". My cars are NEVER clean. Much as I love the FRESH air, I never run my "whole house" fan. It works wonders to circulate stagnent air inside my home, but sucks in every bit of airborn dust, pollen, and particulate. So everything inside my entire house gets super dusty...all the freakin' time! I also have ceiling fans in every room of my home, including my dedicated audio room. All they do is circulate the crap around even if they do provide air movement within each room. The area of California I live in gets very hot in the summer so fans and air conditioners are a must. I try to open windows, use fans as often as possible so as not to run the electric bill through the roof. Which I do anyway during our long, sweltering summer days. Oh the price one must pay for peace & solitude...and better air quality! Another question I posed earlier in my original post: Does constantly having dust on, and getting into the nooks and crannies of speakers, and air vents of pieces of gear, cause any long term negative effects on performance? reliability? lifespan of components?

A word of caution. A few years back I obtained a few of the Oreck air filtration machines which have ozone generators. Later on my audio dealer advised me that ozone wreaks havoc on rubber products. Sure enough all of my o-rings and belts on my VPI turntable started to crack in a relatively short period of time. He also said any phono cartridges with rubber suspensions could be affected as well. I've since turned off the ozone generator on the machines. I would look into filtration systems that don't have ozone (i checked online--some hepas do not have ozone) or have a turn-off provision.