Certainly loads of Alfa options. You can get 150bhp from a diesel 1.9jtdm (has to have the M on the end, power is something like 140 to 170 depending on model), 2.0l petrol (150 to 170) or anything with a V6
How about an 04 plate GT:
http://www.autotrader.co.uk/classifi...01405134168202
Bit of a git reversing in/out of a parking space, but glorious going forwards. Based on the floorpan of the 156 estate you get loads of space for lugging stuff. That one has the climate pack which is a really nice option, or perhaps it is just me that likes my leather seats heated. 165bhp should be enough.
Fairly low mileage 147:
http://www.autotrader.co.uk/classifi...01405023874432 http://www.autotrader.co.uk/classifi...01404283747996
The 2005 facelift model (check the light clusters) comes with re-worked suspension for extra roundabout fun, but for the money these look pretty good. It is the Lusso model, so fairly high spec with the same dual zone climate control and cruise control you get in the GT.