i have just jumped on bikesales and the are about 1/2 doz '95 from $4500 to almost $6k.
Redbook.com.au says that a good cond ZX6R F1 should cost you around $3,300 - $3,900 Trade in price guide* and the National average price - private sale* $4,700 - $5,600
a ZXR 750 L3 shoudl cost ya $3900 to $4600 (trade in) or $5600 to $6600 Avg private sale price
so go forth and haggle.