I don't want to tell you to rush into anything because the interface is a pretty important part of your setup and you really need to sit down and decide what features you want, how many inputs/outputs etc etc
You also need to work out how much you can/want to spend.
Plus i'm not using a laptop so my choices will probably be quite a bit different as i'm not worried about portability etc. You're probably going to want either a firewire or USB interface.
Some you should look at though:
The Focusrite Saffire Range
http://www.dv247.com/search/0/0/Product ... saffire/1/
Hercules 16/12fw
http://www.dv247.com/invt/18669/
Yamaha Go44 or Go46
http://www.dv247.com/search/2970/1851/M ... ending//1/
Motu Ultralite
http://www.dv247.com/invt/32544/
And here are some USB interfaces
http://www.dv247.com/icat/USB+Audio+Interfaces/2974/
Take your time and do your research. You can find some helpful reviews here.
http://www.soundonsound.com/search?url= ... h+Articles
In the mean time just take some time getting to know the MPC and make some beats. The recording isn't really that big of a deal straight away as you can just save all your beats to PC and open them up in the future to edit/record etc