If your looking for a nice reasonably priced hotel in Ayrshire, I highly recommend the following,

The Aurora Hotel in Ayr (previously know as the Berkerley) lovely rooms, great food and great cocktails. and the new owner is originally from Caithness.
For great rates call: 01292 266674

The Lauriston Hotel in Ardrossan, rooms overlooking the beach and great food. (same owner as above).
call: 01294 463771