This really depends on what you are looking for. If you want a tablet with the power of a laptop, this is a perfect configuration. You can run many of your old Windows software and software from the Windows App Store.
The "previous model" I assume you are talking about is the Surface RT. Surface RT uses Windows RT, which is a watered down version of Windows 8 that can only run Windows App Store applications and Office RT. The use case for the Surface RT would be as a replacement for say, an iPad or Android tablet. The Surface Pro is essentially an Ultrabook PC and can utilize real Windows software.
Perhaps if you would clarify what you are asking, I could answer your question. If you are comparing the IPAD with the Surface Pro, the Surface Pro is a full computer in tablet form. The IPAD (at least to me) is more of a toy. I doubt that anybody would seriously consider giving up a laptop running Windows programs for an IPAD; but, many will do just that for the Surface Pro.
I ordered three(3) of the surface pro tablets with other accessories ( 3 x folio cases , 3 x display port to VGA adapter, 3 x Type Covers, 3 x SD Memory cards ). All shipped in one box with a total weight of 17.8 Lbs. When I calculated the weight of all of the additional items, I calculated an approx. Surface Pro Box weight of 4 lbs ( plus or minus 0.5 lbs ). Hope this Helps!!!
The primary differences are that you can configure the pro 2 with bigger hard drive capacities. The surface pro 2 also has a more recent generation i5 that should be a bit faster and the surface pro 2 is supposed to get longer battery life. Other than that, there are a few services included with the Pro 2 - like Skype. I haven't tired out the surface pro 2 yet - but I still use my surface pro every day and love it. (I still haven't touched my iPad since I got the surface pro.)
Yes, I replaced my desktop and laptop computer with the MS Surface Pro. I run MS Office, MS Project Professional and many other desktop applications, as well as the enterprise systems at my office via the Surface Pro. I'm also excited about the Surface 2 Pro -- more memory, larger SSD and better battery life management. PLUS, they have a true docking station coming in early 2014.
It will run quicken with its eyes closed and running scans and many other processes at the same time. There is no need for more hard drive space or RAM to do this what so ever. Good luck and enjoy. BTW my surface pro is faster than any desktop I have used except for the work super computer for crazy simulations that cost $15,000.
It's like buying a Windows 8 touchscreen computer. I already had Office 360 so it is hard for me to recall but I think it had an introductory office program. As I recall, you can get up and running and of course, you can download all kinds of applications- some free and some at minimal cost. I do recommend Office 360. It works beautifully with Surface Pro. I also recommend the free Real Player. I have loaded a number of the same programs I have on my desktop. It comes with a video and audio player. I record movies to my desktop, transfer them to a portable hard drive, and watch them on the surface pro. Another program that it works very well with is Kindle and that comes with the device. I also have a Galaxy Tab II and the Surface Pro comes with much more than with that and the programs are more sophisticated. It is definitely not a toy.
Even the cut-down-Windows Surface RT tablet allows you to plug a printer right in, as demonstrated in http://www.amazon.com/Quick-QUEASY-Guide-Microsoft-Surface/dp/1440490929. Unlike, say, a Google Chromebook which requires you to use their "Cloud Print" with an internet-connected printer.