Cisco MIB Load order
The following is a list of MIBs that many other MIBs import from, and the order that these MIBs should be loaded. This will probably take care of 95% of your load order issues (i.e. most of the other MIBs can be loaded in any order).

SNMPv2-SMI.my
SNMPv2-TC.my
SNMPv2-MIB.my
RFC1213-MIB.my
IF-MIB.my
CISCO-SMI.my
CISCO-PRODUCTS-MIB.my
CISCO-TC.my
Any order after that

Microsoft Mibs
WINS.MIB
DHCP.MIB
INETSRV.MIB
HTTP.MIB
FTP.MIB
GATEWAY.MIB
LMMIB2.MIB

Standard Mibs

RFC1253-OSPF
RFC1850-OSPF-MIB
RFC1850-OSPF-TRAP-MIB
RFC1315-FRAME
RFC1514-HOSTRESOURCES
RFC1471-PPP-LCP
RFC1472-PPP-SEC
RFC1473-PPP-IP
RFC2037-ENTITY-MIB
RFC2011-IP-MIB
RFC2012-TCP-MIB
RFC2013-UDP-MIB
RFC2020-DOT12-IF-MIB
RFC2024-DLSW-MIB
RFC1243-APPLE
RFC1289-DECNET
RFC1354-IPFORWARD
RFC1414-IDENT
RFC1559-DECNET-PHIV-MIB
RFC1565-NET-SERVICES-MIB
RFC1695-ATM-MIB