I was editing my post while you were writing, tim .. My bottom line -- go for the/any 261. 216 to 235 is a good upgrade. 216 to a 261 is a *better* one Settle for a 235 if you can't find a 261.
~ John
A kid raised on Hotwheels, Matchbox and Tonka cannot be reasonably expected to own only one vehicle as an adult.
1949 Chevrolet 3804 In the Legacy Gallery | In the Gallery Forum 1973 IH 1310 Dump 1963 Kaiser M38A1 2001 International/AmTran RE3000 "Skoolie" 2014 Ford E-350 4x4 (Quigley)
My bottom line -- go for the/any 261. 216 to 235 is a good upgrade. 216 to a 261 is a *better* one 
Settle for a 235 if you can't find a 261.