PC monitor Upgrade option

First of all apology for  raisin  this repeatedly discussed topic once again.  
But my point is slight different.
Read all about NEC spectra view as benchmark for colour critical work but unfortunately same is out of budget. 
Put aside Mac as sRB only display is not my need.
Well, how is Dell Ultrasharp 2413 & Ultrasharp 2713H are. link are here 
http://accessories.us.dell.com/sna/sna.aspx?c=us&cs=19&l=en&s=dhs&~topic=ultrasharp_monitor
They are coming with nice specification but my tech knowledge is not sufficient to rip this all.
My point is how far this two good for colour critical works.
Thankin in advance.

Here are detailed reviews of the Dell U2413, U2713H and U3014 by TFT Central.
http://www.tftcentral.co.uk/reviews/dell_u2413.htm

http://www.tftcentral.co.uk/reviews/dell_u3014.htm

http://www.tftcentral.co.uk/reviews/dell_u2713h.htm


Based on the review and my own need to do things on a budget as I needed to purchase EVERYTHING (camera and computer), I bought the U2413. The design allows for hardware level calibration when done with the X-Rite i1 Display Pro or the i1 Pro Spectrophotometer device (see the update hardware calibration info in the U3014 review). So far I am very satisfied with the screen quality especially given it's price point, although I am not an expert on these matters - so I'll let others way in on this with more expert opinions based on the spec's and review.

Robert

Monitor selection is as personal as it gets.  One person's nirvana is another's hell.  For me, size trumps most all, followed by glossy or not.  I prefer glossy.  Some here consider sRGB versus Adobe RGB of top importance.  I own both and see zero difference.

So, my point is it really makes almost no difference what we here think or have researched.  Your best bet is likely to go to a store where they have many monitors on display with images on them.  Find one you like and can afford and buy it.  It is not that complicated.

Monitors as they related to printing...I suggest that most monitor/printer calibration issues for most people are pointless. There seems to be a desire to push a button and make the perfect print, never going to happen. Great prints require work.
When I print, I make test stripes from different parts of an image and use color correcting viewing filters to adjust the image. I alter different parts of an image in different ways and study them in good light till it becomes what I'm after.
Out of the box monitors and printers will get you 90% to where you want your prints to be, It's your own judgement after that, not what some software tells you is correct.

Here's some guidance from E.J.:

From:
E.J. Peiker

Sent:
Fri May 09, 2014 1:40 am

I'm in Switzerland and can't really research them right now but basically what you want is an IPS panel with as wide of a color gamut as you can afford.  The best offer near 100% Adobe RGB coverage but even one with 80-90% is generally pretty good.  The big thing is can you turn the monitor down enough to match prints without losing color fidelity.  Generally graphic design monitors you can but office monitors struggle with that as they are made very bright to overcome bright office lighting.  The Dell Ultrasharps designed for full Adobe RGB coverage are usually OK performers but don't touch purpose made monitors for graphics work like those from Eizo and NEC.