I have the Surface Pro 3 i3 64GB with a 32GB SDHC and just bought Office 365 Personal so have plenty of storage for what I need. My main use for the SP3 is
* Editing my website via online WUSISWUG app
* Using Adobe Fireworks for editing images and making logo's
* Foxtel Go TV streaming app
* Internet
* Email via Outlook
For me the SP3 has replaced my old Samsung Laptop which is an i3 also but less RAM - 2GB. I have had no issue with the SP3 and love the versatility it offers me as I can use it around that house, take with me while I wait to pick up my kids from school, and I am writing this post via my SP3 in bed. I have a Urban Armor Gear Scout case on it which gives me loads of protection.
I use OneNote and the Stylus a lot and in fact write my shopping lists on it and then place my SP3 in the Trolley to tick off all the items I was able to find, get a few looks like "What's that he's using...?"
Would I recommended to anyone that wants a Tablet or a Laptop, hell year it just ticks all the boxes for me and it goes well with my Lumia 930.
We have just just had the Surface 3's become available so will be looking at these in the coming months for my three kids aged 14, 12 and 7 they also have Windows phones Lumia 630's and my wife has a Lumia 735.