have your eye on
1 keep under careful observation.
2 hope or plan to acquire.
❶ 2009Diamond Geezer The BBC must be unblemishable. I've got my eye on a few programmes which I suspect might be breaking the BBC Trust's new Extra-Rigid Code of Prim and Proper Conduct.
❷2012Snotty Grrl I went ahead and bought a skirt and cardigan I've had my eye on since January that both just went on sale.