Advice on buying a drum machine

[nitrovo]

My dad wants to buy a drum machine so he can play guitar and have a beat in the background.

Can anyone tell me how much he should spend and any good models etc.

cheers

 

[soft]

someone's selling an Alesis SR16.

http://www.soft.com.sg/new/modules.php?name=NukeC30&op=ViewDetail&id_ads=973

it has pretty good sound and easy to use.