I don't like turbo fan compressors one little bit and i've never seen anyone in the automotive trade ever touch one with a 10 foot pole. For that sort of coin i'd lean more towards a decent gun like a Devilbiis Sri or a Sata Minijet and a normal compressor, it'll be a lot more versitile and give you better results in the long run.
Oh, and as for painting your house i'd follow Maggotbrain's advice and do it the normal way, it'd be much quicker.
And one last thing, if you do decide on buying a pro spec gun do not, in any circumstances, put household paint through it. The pigments and carri