Stampin' Up! just announced they're starting a small photopolymer (clear) stamp set line on a trial basis. I quickly snatched up the first release, which I think would go beautifully with Project Life.
You can check out this set here. If you don't have a Stampin' Up! Demo to order this from, you can order it through me. It's $13.95 (a discounted price for ordering through a Demo) plus $6.95 shipping, plus applicable sales tax. (This is for US customers only - if you are international you'll have to go through the SU website and find a local Demo). If you're interested, shoot me an email at email@example.com and I'll work out the details with you.