Only until December 2nd Adobe offers it's Creative Cloud "Photography Programm" (subscription modell) for everyone (no previous version of PS required) at half price.
That means Photoshop CC + Lightroom 5 for only 12,29 € (or $ 9.99) / month .

Details:
creative.adobe.com/plans/offer/photoshop+lightroom

Blog (incl. "FAQ" in the comments section) by Adobe Evangelist Terry White:
terrywhite.com/photoshop-photographers-deal-open-ever...

Cheers!