Thanks everyone. I went ahead and ordered the rack. Found a brand new one on eBay for $99.00. And I ordered the bikersfriend bag. I'm hoping that bag will work out for me. I like to travel very lightly on my trips - even 5-6 day trips. But I'd really like to start to bring my laptop with me without a backpack. I'm a graphic designer and sometimes I like to hit the road by day and work in the hotel at night - away from my studio and family.
Solitude helps my creative process sometimes. I think this bag will work out.