Marketplace
Several dozen roller blinds all on clearence (look for the yellow clearence label) in aisle 18 @ Bunnings Ashfield, sizes available:
Width/drop
90x210
120x210
150x210
180x210
210x210
Price examples:
Was-Now
$74-$44
$105-$63
$184-$110
$161-$97
$233-$140
$220-$130
Come grab a bargain, they won't last long, many different designs to choose.
Disclosure: I am a rep for the blind company.