If you already have an infant "bucket", you should consider buying a snap-n-go frame -- it has a basket, decently rugged wheels, and weighs very little. We used one of these as our main stroller until our daughter outgrew the bucket.
http://www.babytrend.com/strollers_snap-n-go/1305R.html
Right now, you can get it at Target online for $60 with free shipping.