That is mortgage plus account.

Where your loan account will be tied to current account.

1. Very good for businessman with lots of cash in hand but then again, might as well open OD Account.
2. Besides, can you ensure your current account is always positive?
3. With low rates in HL, won't it be more viable to invest your cash?

As for good rates :-

Public Bank.

Y1-3 BLR - 2% (4.75%)
Y4 > BLR - 1.60% (5.15%)

or

Y1-3 BLR - 1.50% (5.25%)
Y4 > BLR - 1.60% (5.15%)
(Zero Cost)

Tied-up period @ 5 years.

No restrictions on pre-payments but you need to be careful so that you don't kinda settled it within 5 years period.