this is all I see in the error logs:
[Tue Apr 03 13:29:56 2012] [warn] RewriteCond: NoCase option for non-regex pattern '-f' is not supported and will be ignored.
[Tue Apr 03 13:29:57 2012] [warn] RewriteCond: NoCase option for non-regex pattern '-f' is not supported and will be ignored.
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:58 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[ pid=27441 thr=140266441140192 file=ext/common/LoggingAgent/LoggingServer.h:829 time=2012-04-03 13:29:59.18 ]: Flushing all sinks (periodic action)
[Tue Apr 03 13:29:59 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/
[Tue Apr 03 13:29:59 2012] [error] [client 98.118.10.205] File does not exist: /usr/local/apache/htdocs/index.php, referer: http://box810.bluehost.com/~gearwork/