The Bobber style is not a favourite of mine, but would be cheaper and more satisfying than a Café Racer - which would be a sheep in wolf's clothing unless you spent time and money to get performance to match the look. Believe me, there is nothing sadder and more frustrating than riding a bike that looks like it will do the 'Ton', but actually struggles to hit, say, 70mph. Just about everyone else on the road with you, will expect you to be on some sort of missile - cars will accelerate when you try to pass them and even trucks will be on your tail.
A 'Bobber', however, will be far more laid back and less challenging in appearance to any 'Muppets' on the road with you and looks the part at 50 mph.
Just my take on things.
B.W.