Ultrabook Tablet Computer thingos

The old macbook air has gotten to the end of its life.  The battery only lasts a couple of minutes.
What are my options?
What do I want?
long battery life.  Stylus pen touch screen.  Windows OS.

Apple
Macbooks not touch screen.  Pity.

Asus

Dell
XPS13 Ultrabook
Does NOT have stylus.
Inspiron I3
   $1699k inc GST.  plus a bit
13.3-inch FHD (1920 x 1080) Truelife LED-Backlit Touch Display with Wide Viewing Angle (IPS
I7 CPU 8GHb ram  256BG SATA Solid sata

Lenovo
ThinkPad T440 - i5 Touchscreen Ultrabook with Windows 8.1 Pro
After eCoupon:
    $1,599.00
Lenovo
Thinkpad 10
$1500
all sorts of models 14".  Don't think they have a stylus.

Microsoft
Surface PRO 3.  I5 version with 256GB HD 8GB RAM
12 inch display. 
Stylus but Nowhere to store the stylus
Microsoft Store $1849.00 inc GST
JB HIFI   $1663 inc GST


Toshiba
http://toshiba.com.au/
Z20 definitely has a stylus.  12.5inch screen.
Computer Alliance
Do they have one available to look at? - yes
1920x1080   $2095 with 8GB RAm and 256GB SSD