Amazon.co.uk offers The Ultimate Bourne Collection on Blu-ray Disc for $10.67 (£6.60). During checkout, it falls to $8.89 (£5.50). With $4.98 (£3.08) for shipping, that's $2 under last month's mention and the best price we've seen. (It's also a current price low by $8.) This box set includes The Bourne Identity, The Bourne Supremacy, and The Bourne Ultimatum.
This Blu-ray set is region-free and the films themselves will play on US Blu-ray players, but note that the extras and special features may not. It also has an expected delivery date of November 7 to November 11.