buying IT products doesnt need follow trend. they are not fashion products so its not necessary. did your father like convertibles? they are ultrabooks with a tablet function. i will recommend along with convertibles.
Convertible:
Dell [Ultrabook] XPS12, i5-3337U + Intel HD4000 + 128GB SSD + (1920x1080;touch)@RM3999[1.54kg], 8GB, W8, backlit, spill resistant keyboard, build-in battery, no ODD
Lenovo [Ultrabook] IdeaPad Yoga 13, i5-3337U + Intel HD4000 + 128GB SSD@RM3399, 4GB, 2 years; colors: grey/orange
Samsung [Ultrabook] ATIV Smart Pro, i5-3317U + Intel HD4000 + 128GB SSD + (1920x1080; touch)@RM3599[884g w/o keyboard], 4GB, stylus, W8; color: black
Sony Vaio Duo SVD11215CVB, i5-3317U + Intel HD4000 + (1920x1080; touch) + 128GB SSD@RM3999[1.31kg], 4GB, W8, stylus
Ultrabooks:
Apple MacBookAir 13", i5-3427U + Intel HD4000 + 128GB SSD + (1440x900)@RM3699[1.35kg], 4GB, backlit keyboard, Mac OSX
ASUS [Ultrabook] UX31A-R4005H, i5-3317U + Intel HD4000 + 128GB SSD + (1920 x 1080)@
RM3499[1.3kg], 4GB, W8
Dell [Ultrabook] XPS13, i5-3337U + Intel HD4000 + 128GB SSD@RM3399[1.36kg], 4GB, W8, backlit
HP [Ultrabook] Envy SpectreXT 13-2216TU, i7-3537U + Intel HD4000 + 128GB SSD@RM3699[1.39kg], 4GB, W8,backlit keyboard
Sony [Ultrabook] Vaio SVT13126CVS, i5-3317U + Intel HD4000 + (1366x768;touch) + 128GB SSD@RM2899[1.66kg], 4GB, W8; color: silver; Vaio carrying case
best selected convertible is Sony Vaio Duo. a 12" convertible with sliding screen, touch screen and stylus.
best selected ultrabook is Dell XPS 13. price above is RSP and negotiable.