Which older 250MXER for me?

Hi I am just getting back in to riding/racing Motocross after a 2 years off my past bikes were 96 CR125, 01 CR 250R and 96 KDX that i am selling. I don't have money to buy a new bike yet. Before the break I had been riding for 5 years I am 6'1 180lbs so i think I am a bit big for a 125.Looking for something in the 2500-3500 range. Here are my chose from the bike for sale in my area are there any models I should stay away from?

95 HONDA CR250, aft market pts, in gd running cond, new plastic, Answer handlebars $2700
96 YAMAHA YZ250, powder coated frame, One Industries graphics, compl reblt mtr, top & bottom, ported & polished, weighted flywhl $2850 obo
98 SUZUKI RM250, Bark Busters, skid plate, newer rubber, well maint, some extra pts $3200 negot
96 SUZUKI RM250 Motocross bike, Renthal shocks on frnt, oversz'd 15L gas tank, v fast & strong bike, med to advanced rider $2500 obo.
98 KAWASAKI KX250, brand new top & bottom end, Renthal bars, exc cond $3100 obo
98 KAWASAKI KX250, excellent condition, low hours $3400.
99 KAWASAKI KX250, mint cond, new tires, sprockets $3750.

These one are alittle out of my price range but look like good deals maybe I should just wait and save
2001 HONDA CR250, grt bike, new top end, aftermarket bars & clamps, fresh graphics, polished mtr, frame & swing arm, 2 pipes, carbon fibre silencer, new sprockets $3950 obo
98 YAMAHA YZ 250, new clutch & cover, new rear whl brk pads, frnt tire, Pro tapers, gripper seat, Nolean pipe & silencer, graphics kit & some extras $4000 obo
2003 KAWASAKI KX250, yes it's true.These are brand new KX's!!Unheard of pricing,why buy used?Hurry before they are gone.. $4995
2004 CRF250R Msrp $7,699

sorry forgot to add I am from BC Canada. For a 2004 Honda CR 250R it cost $7,599.00 with out tax. My 2001 CR 250R cost 7200.00 with tax it came to 8000.00 just to get a idea of the cost.