Swap acer s3 Ultrabook for MacBook air +

Looking to swap my acer s3 ultrabook for MacBook air. I will also add cash on top for right spec Can also send pictures and laptop still has warranty Below is my laptop details Genuine Windows® 7 Home Premium - Intel® Core™ i5-2467M - 1.60GHz with Turbo Boost up to 2.30GHz - 3MB L3 cache - 240GB SSD 13.3" HD screen - Dolby® Home Theater® v4 - 1.3 MP HD webcam - 3-cell Li-polymer battery - HDMI Port - multi-in-1 card reader - Secure Digital™ (SD) Card - MultiMediaCard™ (MMC) - McAfee Internet Security Suite Trial - Microsoft® Office Starter 2010 7 hours