Currently B1's seem undervalued given how daft prices have gone on other older bikes now considered to be modern classics. I was looking a mint/stock fully original, low mileage example not so long ago at sub £3k and found myself thinking it would be nice to have sat in the garage for occasional road use, even easier to justify when it may even appreciate a little over time.
If more than occasional track use was intended, as nostalgic as I am about the B1 my choice would be the P8, I didn't realise how much my hamfisted riding used the slipper on track until I borrowed a B1 for a session after a few years of being spoiled on litre bikes all fitted with slippers. Always thought the P7/8 would be a really fun track bike, not ridden one but I would expect it to be fairly close to the Triumph and Yamaha which both came a good few years after the B1 and are better bikes.
I would expect ridden back to back today the P8 to be a better bike, it was just an evolution in a world that now had the Triumph 675 and was well used to the R6 2co/13s meaning it didn't have the impact of the B1 which in 2003 which felt like a giant killer, faster and more exciting than it had any right to be given that it could match the V-Twin litre bikes of the day as well as many of the older gen litre fours.
If more than occasional track use was intended, as nostalgic as I am about the B1 my choice would be the P8, I didn't realise how much my hamfisted riding used the slipper on track until I borrowed a B1 for a session after a few years of being spoiled on litre bikes all fitted with slippers. Always thought the P7/8 would be a really fun track bike, not ridden one but I would expect it to be fairly close to the Triumph and Yamaha which both came a good few years after the B1 and are better bikes.
I would expect ridden back to back today the P8 to be a better bike, it was just an evolution in a world that now had the Triumph 675 and was well used to the R6 2co/13s meaning it didn't have the impact of the B1 which in 2003 which felt like a giant killer, faster and more exciting than it had any right to be given that it could match the V-Twin litre bikes of the day as well as many of the older gen litre fours.

