inexpensive lightroom or elements 10 /11, expensive photoshop cs6 or ther,s free gimp I've got elements 10 when it first came out cost £45.00 think elements 11 is about £70.00

Sorry to hijack the thread but I too am looking to purchase some photo editing software.
I am looking at Photoshop Elements 11.
Sharpening images is something I would like to be able to do and have read in another thread about High Pass Sharpening, is this possible with the software mentioned above?