For me, the only area worth spending good money on is the pole itself, the main tool you have to use everyday. The van? if what you have is reliable, does the job then why change? The ro? just a filtering system no point in overspending there. The logo? only needed if your new and it can be done for sixty quid.
My brother in law is a builder, always stacked out with work, all his life. Shiney van, leasing etc would not even enter his head. He does however buy decent tools now and again when needed. He has never advertised in his life. I think the whole leasing concept is purely to make money for the big suppliers and is a reflection of the have it now - pay for it tomorrow society we have been brainwashed into. This is only my opinion and the way i see it, so whatever route you go down then fair play to you. After all i could be totally wrong.